31575700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{227}}^1$

素因数の和:361

約数の個数: 72

約数和(自身を含む): 74807712

約数和(自身を除く): 43232012

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 107, 130, 214, 227, 260, 325, 428, 454, 535, 650, 908, 1070, 1135, 1300, 1391, 2140, 2270, 2675, 2782, 2951, 4540, 5350, 5564, 5675, 5902, 6955, 10700, 11350, 11804, 13910, 14755, 22700, 24289, 27820, 29510, 34775, 48578, 59020, 69550, 73775, 97156, 121445, 139100, 147550, 242890, 295100, 315757, 485780, 607225, 631514, 1214450, 1263028, 1578785, 2428900, 3157570, 6315140, 7893925, 15787850, 31575700]

約数ペア:

[(1, 31575700), (2, 15787850), (4, 7893925), (5, 6315140), (10, 3157570), (13, 2428900), (20, 1578785), (25, 1263028), (26, 1214450), (50, 631514), (52, 607225), (65, 485780), (100, 315757), (107, 295100), (130, 242890), (214, 147550), (227, 139100), (260, 121445), (325, 97156), (428, 73775), (454, 69550), (535, 59020), (650, 48578), (908, 34775), (1070, 29510), (1135, 27820), (1300, 24289), (1391, 22700), (2140, 14755), (2270, 13910), (2675, 11804), (2782, 11350), (2951, 10700), (4540, 6955), (5350, 5902), (5564, 5675)]