8997500

素因数分解:

$2^2\times 5^4\times {\mathrm{59}}^1\times {\mathrm{61}}^1$

素因数の和:144

約数の個数: 60

約数和(自身を含む): 20337240

約数和(自身を除く): 11339740

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 59, 61, 100, 118, 122, 125, 236, 244, 250, 295, 305, 500, 590, 610, 625, 1180, 1220, 1250, 1475, 1525, 2500, 2950, 3050, 3599, 5900, 6100, 7198, 7375, 7625, 14396, 14750, 15250, 17995, 29500, 30500, 35990, 36875, 38125, 71980, 73750, 76250, 89975, 147500, 152500, 179950, 359900, 449875, 899750, 1799500, 2249375, 4498750, 8997500]

約数ペア:

[(1, 8997500), (2, 4498750), (4, 2249375), (5, 1799500), (10, 899750), (20, 449875), (25, 359900), (50, 179950), (59, 152500), (61, 147500), (100, 89975), (118, 76250), (122, 73750), (125, 71980), (236, 38125), (244, 36875), (250, 35990), (295, 30500), (305, 29500), (500, 17995), (590, 15250), (610, 14750), (625, 14396), (1180, 7625), (1220, 7375), (1250, 7198), (1475, 6100), (1525, 5900), (2500, 3599), (2950, 3050)]