161812510

素因数分解:

$2^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{149}}^1\times {\mathrm{829}}^1$

素因数の和:1116

約数の個数: 32

約数和(自身を含む): 295812000

約数和(自身を除く): 133999490

約数列:

[1, 2, 5, 10, 131, 149, 262, 298, 655, 745, 829, 1310, 1490, 1658, 4145, 8290, 19519, 39038, 97595, 108599, 123521, 195190, 217198, 247042, 542995, 617605, 1085990, 1235210, 16181251, 32362502, 80906255, 161812510]

約数ペア:

[(1, 161812510), (2, 80906255), (5, 32362502), (10, 16181251), (131, 1235210), (149, 1085990), (262, 617605), (298, 542995), (655, 247042), (745, 217198), (829, 195190), (1310, 123521), (1490, 108599), (1658, 97595), (4145, 39038), (8290, 19519)]