452221250

素因数分解:

$2^1\times 5^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1637}}^1$

素因数の和:1689

約数の個数: 80

約数和(自身を含む): 967134168

約数和(自身を除く): 514912918

約数列:

[1, 2, 5, 10, 13, 17, 25, 26, 34, 50, 65, 85, 125, 130, 170, 221, 250, 325, 425, 442, 625, 650, 850, 1105, 1250, 1625, 1637, 2125, 2210, 3250, 3274, 4250, 5525, 8125, 8185, 10625, 11050, 16250, 16370, 21250, 21281, 27625, 27829, 40925, 42562, 55250, 55658, 81850, 106405, 138125, 139145, 204625, 212810, 276250, 278290, 361777, 409250, 532025, 695725, 723554, 1023125, 1064050, 1391450, 1808885, 2046250, 2660125, 3478625, 3617770, 5320250, 6957250, 9044425, 13300625, 17393125, 18088850, 26601250, 34786250, 45222125, 90444250, 226110625, 452221250]

約数ペア:

[(1, 452221250), (2, 226110625), (5, 90444250), (10, 45222125), (13, 34786250), (17, 26601250), (25, 18088850), (26, 17393125), (34, 13300625), (50, 9044425), (65, 6957250), (85, 5320250), (125, 3617770), (130, 3478625), (170, 2660125), (221, 2046250), (250, 1808885), (325, 1391450), (425, 1064050), (442, 1023125), (625, 723554), (650, 695725), (850, 532025), (1105, 409250), (1250, 361777), (1625, 278290), (1637, 276250), (2125, 212810), (2210, 204625), (3250, 139145), (3274, 138125), (4250, 106405), (5525, 81850), (8125, 55658), (8185, 55250), (10625, 42562), (11050, 40925), (16250, 27829), (16370, 27625), (21250, 21281)]