1899684620320

素因数分解:

$2^5\times 5^1\times {\mathrm{1217}}^1\times {\mathrm{9755981}}^1$

素因数の和:9757213

約数の個数: 48

約数和(自身を含む): 4491693136728

約数和(自身を除く): 2592008516408

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 1217, 2434, 4868, 6085, 9736, 12170, 19472, 24340, 38944, 48680, 97360, 194720, 9755981, 19511962, 39023924, 48779905, 78047848, 97559810, 156095696, 195119620, 312191392, 390239240, 780478480, 1560956960, 11873028877, 23746057754, 47492115508, 59365144385, 94984231016, 118730288770, 189968462032, 237460577540, 379936924064, 474921155080, 949842310160, 1899684620320]

約数ペア:

[(1, 1899684620320), (2, 949842310160), (4, 474921155080), (5, 379936924064), (8, 237460577540), (10, 189968462032), (16, 118730288770), (20, 94984231016), (32, 59365144385), (40, 47492115508), (80, 23746057754), (160, 11873028877), (1217, 1560956960), (2434, 780478480), (4868, 390239240), (6085, 312191392), (9736, 195119620), (12170, 156095696), (19472, 97559810), (24340, 78047848), (38944, 48779905), (48680, 39023924), (97360, 19511962), (194720, 9755981)]