389725440

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{211}}^1$

素因数の和:285

約数の個数: 288

約数和(自身を含む): 1383182976

約数和(自身を除く): 993457536

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 37, 39, 40, 48, 52, 60, 64, 65, 74, 78, 80, 96, 104, 111, 120, 128, 130, 148, 156, 160, 185, 192, 195, 208, 211, 222, 240, 256, 260, 296, 312, 320, 370, 384, 390, 416, 422, 444, 480, 481, 520, 555, 592, 624, 633, 640, 740, 768, 780, 832, 844, 888, 960, 962, 1040, 1055, 1110, 1184, 1248, 1266, 1280, 1443, 1480, 1560, 1664, 1688, 1776, 1920, 1924, 2080, 2110, 2220, 2368, 2405, 2496, 2532, 2743, 2886, 2960, 3120, 3165, 3328, 3376, 3552, 3840, 3848, 4160, 4220, 4440, 4736, 4810, 4992, 5064, 5486, 5772, 5920, 6240, 6330, 6752, 7104, 7215, 7696, 7807, 8229, 8320, 8440, 8880, 9472, 9620, 9984, 10128, 10972, 11544, 11840, 12480, 12660, 13504, 13715, 14208, 14430, 15392, 15614, 16458, 16640, 16880, 17760, 19240, 20256, 21944, 23088, 23421, 23680, 24960, 25320, 27008, 27430, 28416, 28860, 30784, 31228, 32916, 33760, 35520, 38480, 39035, 40512, 41145, 43888, 46176, 46842, 47360, 49920, 50640, 54016, 54860, 57720, 61568, 62456, 65832, 67520, 71040, 76960, 78070, 81024, 82290, 87776, 92352, 93684, 101280, 101491, 109720, 115440, 117105, 123136, 124912, 131664, 135040, 142080, 153920, 156140, 162048, 164580, 175552, 184704, 187368, 202560, 202982, 219440, 230880, 234210, 249824, 263328, 270080, 304473, 307840, 312280, 329160, 351104, 369408, 374736, 405120, 405964, 438880, 461760, 468420, 499648, 507455, 526656, 608946, 615680, 624560, 658320, 702208, 749472, 810240, 811928, 877760, 923520, 936840, 999296, 1014910, 1053312, 1217892, 1249120, 1316640, 1498944, 1522365, 1623856, 1755520, 1847040, 1873680, 1998592, 2029820, 2106624, 2435784, 2498240, 2633280, 2997888, 3044730, 3247712, 3511040, 3747360, 4059640, 4871568, 4996480, 5266560, 5995776, 6089460, 6495424, 7494720, 8119280, 9743136, 9992960, 10533120, 12178920, 12990848, 14989440, 16238560, 19486272, 24357840, 25981696, 29978880, 32477120, 38972544, 48715680, 64954240, 77945088, 97431360, 129908480, 194862720, 389725440]

約数ペア:

[(1, 389725440), (2, 194862720), (3, 129908480), (4, 97431360), (5, 77945088), (6, 64954240), (8, 48715680), (10, 38972544), (12, 32477120), (13, 29978880), (15, 25981696), (16, 24357840), (20, 19486272), (24, 16238560), (26, 14989440), (30, 12990848), (32, 12178920), (37, 10533120), (39, 9992960), (40, 9743136), (48, 8119280), (52, 7494720), (60, 6495424), (64, 6089460), (65, 5995776), (74, 5266560), (78, 4996480), (80, 4871568), (96, 4059640), (104, 3747360), (111, 3511040), (120, 3247712), (128, 3044730), (130, 2997888), (148, 2633280), (156, 2498240), (160, 2435784), (185, 2106624), (192, 2029820), (195, 1998592), (208, 1873680), (211, 1847040), (222, 1755520), (240, 1623856), (256, 1522365), (260, 1498944), (296, 1316640), (312, 1249120), (320, 1217892), (370, 1053312), (384, 1014910), (390, 999296), (416, 936840), (422, 923520), (444, 877760), (480, 811928), (481, 810240), (520, 749472), (555, 702208), (592, 658320), (624, 624560), (633, 615680), (640, 608946), (740, 526656), (768, 507455), (780, 499648), (832, 468420), (844, 461760), (888, 438880), (960, 405964), (962, 405120), (1040, 374736), (1055, 369408), (1110, 351104), (1184, 329160), (1248, 312280), (1266, 307840), (1280, 304473), (1443, 270080), (1480, 263328), (1560, 249824), (1664, 234210), (1688, 230880), (1776, 219440), (1920, 202982), (1924, 202560), (2080, 187368), (2110, 184704), (2220, 175552), (2368, 164580), (2405, 162048), (2496, 156140), (2532, 153920), (2743, 142080), (2886, 135040), (2960, 131664), (3120, 124912), (3165, 123136), (3328, 117105), (3376, 115440), (3552, 109720), (3840, 101491), (3848, 101280), (4160, 93684), (4220, 92352), (4440, 87776), (4736, 82290), (4810, 81024), (4992, 78070), (5064, 76960), (5486, 71040), (5772, 67520), (5920, 65832), (6240, 62456), (6330, 61568), (6752, 57720), (7104, 54860), (7215, 54016), (7696, 50640), (7807, 49920), (8229, 47360), (8320, 46842), (8440, 46176), (8880, 43888), (9472, 41145), (9620, 40512), (9984, 39035), (10128, 38480), (10972, 35520), (11544, 33760), (11840, 32916), (12480, 31228), (12660, 30784), (13504, 28860), (13715, 28416), (14208, 27430), (14430, 27008), (15392, 25320), (15614, 24960), (16458, 23680), (16640, 23421), (16880, 23088), (17760, 21944), (19240, 20256)]