378401920

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{45481}}^1$

素因数の和:45513

約数の個数: 64

約数和(自身を含む): 974224440

約数和(自身を除く): 595822520

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 260, 320, 416, 520, 640, 832, 1040, 1664, 2080, 4160, 8320, 45481, 90962, 181924, 227405, 363848, 454810, 591253, 727696, 909620, 1182506, 1455392, 1819240, 2365012, 2910784, 2956265, 3638480, 4730024, 5821568, 5912530, 7276960, 9460048, 11825060, 14553920, 18920096, 23650120, 29107840, 37840192, 47300240, 75680384, 94600480, 189200960, 378401920]

約数ペア:

[(1, 378401920), (2, 189200960), (4, 94600480), (5, 75680384), (8, 47300240), (10, 37840192), (13, 29107840), (16, 23650120), (20, 18920096), (26, 14553920), (32, 11825060), (40, 9460048), (52, 7276960), (64, 5912530), (65, 5821568), (80, 4730024), (104, 3638480), (128, 2956265), (130, 2910784), (160, 2365012), (208, 1819240), (260, 1455392), (320, 1182506), (416, 909620), (520, 727696), (640, 591253), (832, 454810), (1040, 363848), (1664, 227405), (2080, 181924), (4160, 90962), (8320, 45481)]