207639550

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{1229}}^1$

素因数の和:1381

約数の個数: 48

約数和(自身を含む): 402652800

約数和(自身を除く): 195013250

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 109, 155, 218, 310, 545, 775, 1090, 1229, 1550, 2458, 2725, 3379, 5450, 6145, 6758, 12290, 16895, 30725, 33790, 38099, 61450, 76198, 84475, 133961, 168950, 190495, 267922, 380990, 669805, 952475, 1339610, 1904950, 3349025, 4152791, 6698050, 8305582, 20763955, 41527910, 103819775, 207639550]

約数ペア:

[(1, 207639550), (2, 103819775), (5, 41527910), (10, 20763955), (25, 8305582), (31, 6698050), (50, 4152791), (62, 3349025), (109, 1904950), (155, 1339610), (218, 952475), (310, 669805), (545, 380990), (775, 267922), (1090, 190495), (1229, 168950), (1550, 133961), (2458, 84475), (2725, 76198), (3379, 61450), (5450, 38099), (6145, 33790), (6758, 30725), (12290, 16895)]