31208050

素因数分解:

$2^1\times 5^2\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:291

約数の個数: 48

約数和(自身を含む): 60264000

約数和(自身を除く): 29055950

約数列:

[1, 2, 5, 10, 25, 50, 59, 71, 118, 142, 149, 295, 298, 355, 590, 710, 745, 1475, 1490, 1775, 2950, 3550, 3725, 4189, 7450, 8378, 8791, 10579, 17582, 20945, 21158, 41890, 43955, 52895, 87910, 104725, 105790, 209450, 219775, 264475, 439550, 528950, 624161, 1248322, 3120805, 6241610, 15604025, 31208050]

約数ペア:

[(1, 31208050), (2, 15604025), (5, 6241610), (10, 3120805), (25, 1248322), (50, 624161), (59, 528950), (71, 439550), (118, 264475), (142, 219775), (149, 209450), (295, 105790), (298, 104725), (355, 87910), (590, 52895), (710, 43955), (745, 41890), (1475, 21158), (1490, 20945), (1775, 17582), (2950, 10579), (3550, 8791), (3725, 8378), (4189, 7450)]