398021120

素因数分解:

$2^9\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{167}}^1$

素因数の和:223

約数の個数: 240

約数和(自身を含む): 1175549760

約数和(自身を除く): 777528640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 49, 56, 64, 70, 76, 80, 95, 98, 112, 128, 133, 140, 152, 160, 167, 190, 196, 224, 245, 256, 266, 280, 304, 320, 334, 380, 392, 448, 490, 512, 532, 560, 608, 640, 665, 668, 760, 784, 835, 896, 931, 980, 1064, 1120, 1169, 1216, 1280, 1330, 1336, 1520, 1568, 1670, 1792, 1862, 1960, 2128, 2240, 2338, 2432, 2560, 2660, 2672, 3040, 3136, 3173, 3340, 3584, 3724, 3920, 4256, 4480, 4655, 4676, 4864, 5320, 5344, 5845, 6080, 6272, 6346, 6680, 7448, 7840, 8183, 8512, 8960, 9310, 9352, 9728, 10640, 10688, 11690, 12160, 12544, 12692, 13360, 14896, 15680, 15865, 16366, 17024, 17920, 18620, 18704, 21280, 21376, 22211, 23380, 24320, 25088, 25384, 26720, 29792, 31360, 31730, 32732, 34048, 37240, 37408, 40915, 42560, 42752, 44422, 46760, 48640, 50768, 53440, 59584, 62720, 63460, 65464, 68096, 74480, 74816, 81830, 85120, 85504, 88844, 93520, 101536, 106880, 111055, 119168, 125440, 126920, 130928, 148960, 149632, 155477, 163660, 170240, 177688, 187040, 203072, 213760, 222110, 238336, 253840, 261856, 297920, 299264, 310954, 327320, 340480, 355376, 374080, 406144, 427520, 444220, 476672, 507680, 523712, 595840, 598528, 621908, 654640, 710752, 748160, 777385, 812288, 888440, 1015360, 1047424, 1191680, 1243816, 1309280, 1421504, 1496320, 1554770, 1624576, 1776880, 2030720, 2094848, 2383360, 2487632, 2618560, 2843008, 2992640, 3109540, 3553760, 4061440, 4189696, 4975264, 5237120, 5686016, 6219080, 7107520, 8122880, 9950528, 10474240, 11372032, 12438160, 14215040, 19901056, 20948480, 24876320, 28430080, 39802112, 49752640, 56860160, 79604224, 99505280, 199010560, 398021120]

約数ペア:

[(1, 398021120), (2, 199010560), (4, 99505280), (5, 79604224), (7, 56860160), (8, 49752640), (10, 39802112), (14, 28430080), (16, 24876320), (19, 20948480), (20, 19901056), (28, 14215040), (32, 12438160), (35, 11372032), (38, 10474240), (40, 9950528), (49, 8122880), (56, 7107520), (64, 6219080), (70, 5686016), (76, 5237120), (80, 4975264), (95, 4189696), (98, 4061440), (112, 3553760), (128, 3109540), (133, 2992640), (140, 2843008), (152, 2618560), (160, 2487632), (167, 2383360), (190, 2094848), (196, 2030720), (224, 1776880), (245, 1624576), (256, 1554770), (266, 1496320), (280, 1421504), (304, 1309280), (320, 1243816), (334, 1191680), (380, 1047424), (392, 1015360), (448, 888440), (490, 812288), (512, 777385), (532, 748160), (560, 710752), (608, 654640), (640, 621908), (665, 598528), (668, 595840), (760, 523712), (784, 507680), (835, 476672), (896, 444220), (931, 427520), (980, 406144), (1064, 374080), (1120, 355376), (1169, 340480), (1216, 327320), (1280, 310954), (1330, 299264), (1336, 297920), (1520, 261856), (1568, 253840), (1670, 238336), (1792, 222110), (1862, 213760), (1960, 203072), (2128, 187040), (2240, 177688), (2338, 170240), (2432, 163660), (2560, 155477), (2660, 149632), (2672, 148960), (3040, 130928), (3136, 126920), (3173, 125440), (3340, 119168), (3584, 111055), (3724, 106880), (3920, 101536), (4256, 93520), (4480, 88844), (4655, 85504), (4676, 85120), (4864, 81830), (5320, 74816), (5344, 74480), (5845, 68096), (6080, 65464), (6272, 63460), (6346, 62720), (6680, 59584), (7448, 53440), (7840, 50768), (8183, 48640), (8512, 46760), (8960, 44422), (9310, 42752), (9352, 42560), (9728, 40915), (10640, 37408), (10688, 37240), (11690, 34048), (12160, 32732), (12544, 31730), (12692, 31360), (13360, 29792), (14896, 26720), (15680, 25384), (15865, 25088), (16366, 24320), (17024, 23380), (17920, 22211), (18620, 21376), (18704, 21280)]