389438400

素因数分解:

$2^6\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{79}}^2$

素因数の和:196

約数の個数: 252

約数和(自身を含む): 1393603512

約数和(自身を除く): 1004165112

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 25, 26, 30, 32, 39, 40, 48, 50, 52, 60, 64, 65, 75, 78, 79, 80, 96, 100, 104, 120, 130, 150, 156, 158, 160, 192, 195, 200, 208, 237, 240, 260, 300, 312, 316, 320, 325, 390, 395, 400, 416, 474, 480, 520, 600, 624, 632, 650, 780, 790, 800, 832, 948, 960, 975, 1027, 1040, 1185, 1200, 1248, 1264, 1300, 1560, 1580, 1600, 1896, 1950, 1975, 2054, 2080, 2370, 2400, 2496, 2528, 2600, 3081, 3120, 3160, 3792, 3900, 3950, 4108, 4160, 4740, 4800, 5056, 5135, 5200, 5925, 6162, 6240, 6241, 6320, 7584, 7800, 7900, 8216, 9480, 10270, 10400, 11850, 12324, 12480, 12482, 12640, 15168, 15405, 15600, 15800, 16432, 18723, 18960, 20540, 20800, 23700, 24648, 24964, 25280, 25675, 30810, 31200, 31205, 31600, 32864, 37446, 37920, 41080, 47400, 49296, 49928, 51350, 61620, 62400, 62410, 63200, 65728, 74892, 75840, 77025, 81133, 82160, 93615, 94800, 98592, 99856, 102700, 123240, 124820, 126400, 149784, 154050, 156025, 162266, 164320, 187230, 189600, 197184, 199712, 205400, 243399, 246480, 249640, 299568, 308100, 312050, 324532, 328640, 374460, 379200, 399424, 405665, 410800, 468075, 486798, 492960, 499280, 599136, 616200, 624100, 649064, 748920, 811330, 821600, 936150, 973596, 985920, 998560, 1198272, 1216995, 1232400, 1248200, 1298128, 1497840, 1622660, 1643200, 1872300, 1947192, 1997120, 2028325, 2433990, 2464800, 2496400, 2596256, 2995680, 3245320, 3744600, 3894384, 4056650, 4867980, 4929600, 4992800, 5192512, 5991360, 6084975, 6490640, 7489200, 7788768, 8113300, 9735960, 9985600, 12169950, 12981280, 14978400, 15577536, 16226600, 19471920, 24339900, 25962560, 29956800, 32453200, 38943840, 48679800, 64906400, 77887680, 97359600, 129812800, 194719200, 389438400]

約数ペア:

[(1, 389438400), (2, 194719200), (3, 129812800), (4, 97359600), (5, 77887680), (6, 64906400), (8, 48679800), (10, 38943840), (12, 32453200), (13, 29956800), (15, 25962560), (16, 24339900), (20, 19471920), (24, 16226600), (25, 15577536), (26, 14978400), (30, 12981280), (32, 12169950), (39, 9985600), (40, 9735960), (48, 8113300), (50, 7788768), (52, 7489200), (60, 6490640), (64, 6084975), (65, 5991360), (75, 5192512), (78, 4992800), (79, 4929600), (80, 4867980), (96, 4056650), (100, 3894384), (104, 3744600), (120, 3245320), (130, 2995680), (150, 2596256), (156, 2496400), (158, 2464800), (160, 2433990), (192, 2028325), (195, 1997120), (200, 1947192), (208, 1872300), (237, 1643200), (240, 1622660), (260, 1497840), (300, 1298128), (312, 1248200), (316, 1232400), (320, 1216995), (325, 1198272), (390, 998560), (395, 985920), (400, 973596), (416, 936150), (474, 821600), (480, 811330), (520, 748920), (600, 649064), (624, 624100), (632, 616200), (650, 599136), (780, 499280), (790, 492960), (800, 486798), (832, 468075), (948, 410800), (960, 405665), (975, 399424), (1027, 379200), (1040, 374460), (1185, 328640), (1200, 324532), (1248, 312050), (1264, 308100), (1300, 299568), (1560, 249640), (1580, 246480), (1600, 243399), (1896, 205400), (1950, 199712), (1975, 197184), (2054, 189600), (2080, 187230), (2370, 164320), (2400, 162266), (2496, 156025), (2528, 154050), (2600, 149784), (3081, 126400), (3120, 124820), (3160, 123240), (3792, 102700), (3900, 99856), (3950, 98592), (4108, 94800), (4160, 93615), (4740, 82160), (4800, 81133), (5056, 77025), (5135, 75840), (5200, 74892), (5925, 65728), (6162, 63200), (6240, 62410), (6241, 62400), (6320, 61620), (7584, 51350), (7800, 49928), (7900, 49296), (8216, 47400), (9480, 41080), (10270, 37920), (10400, 37446), (11850, 32864), (12324, 31600), (12480, 31205), (12482, 31200), (12640, 30810), (15168, 25675), (15405, 25280), (15600, 24964), (15800, 24648), (16432, 23700), (18723, 20800), (18960, 20540)]