81960430

素因数分解:

$2^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{149}}^1\times {\mathrm{821}}^1$

素因数の和:1044

約数の個数: 32

約数和(自身を含む): 150919200

約数和(自身を除く): 68958770

約数列:

[1, 2, 5, 10, 67, 134, 149, 298, 335, 670, 745, 821, 1490, 1642, 4105, 8210, 9983, 19966, 49915, 55007, 99830, 110014, 122329, 244658, 275035, 550070, 611645, 1223290, 8196043, 16392086, 40980215, 81960430]

約数ペア:

[(1, 81960430), (2, 40980215), (5, 16392086), (10, 8196043), (67, 1223290), (134, 611645), (149, 550070), (298, 275035), (335, 244658), (670, 122329), (745, 110014), (821, 99830), (1490, 55007), (1642, 49915), (4105, 19966), (8210, 9983)]