98989820

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{2383}}^1$

素因数の和:2490

約数の個数: 48

約数和(自身を含む): 217878528

約数和(自身を除く): 118888708

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 67, 124, 134, 155, 268, 310, 335, 620, 670, 1340, 2077, 2383, 4154, 4766, 8308, 9532, 10385, 11915, 20770, 23830, 41540, 47660, 73873, 147746, 159661, 295492, 319322, 369365, 638644, 738730, 798305, 1477460, 1596610, 3193220, 4949491, 9898982, 19797964, 24747455, 49494910, 98989820]

約数ペア:

[(1, 98989820), (2, 49494910), (4, 24747455), (5, 19797964), (10, 9898982), (20, 4949491), (31, 3193220), (62, 1596610), (67, 1477460), (124, 798305), (134, 738730), (155, 638644), (268, 369365), (310, 319322), (335, 295492), (620, 159661), (670, 147746), (1340, 73873), (2077, 47660), (2383, 41540), (4154, 23830), (4766, 20770), (8308, 11915), (9532, 10385)]