75843980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{821}}^1$

素因数の和:1010

約数の個数: 48

約数和(自身を含む): 165715200

約数和(自身を除く): 89871220

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 149, 155, 298, 310, 596, 620, 745, 821, 1490, 1642, 2980, 3284, 4105, 4619, 8210, 9238, 16420, 18476, 23095, 25451, 46190, 50902, 92380, 101804, 122329, 127255, 244658, 254510, 489316, 509020, 611645, 1223290, 2446580, 3792199, 7584398, 15168796, 18960995, 37921990, 75843980]

約数ペア:

[(1, 75843980), (2, 37921990), (4, 18960995), (5, 15168796), (10, 7584398), (20, 3792199), (31, 2446580), (62, 1223290), (124, 611645), (149, 509020), (155, 489316), (298, 254510), (310, 244658), (596, 127255), (620, 122329), (745, 101804), (821, 92380), (1490, 50902), (1642, 46190), (2980, 25451), (3284, 23095), (4105, 18476), (4619, 16420), (8210, 9238)]