31139900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{28309}}^1$

素因数の和:28334

約数の個数: 36

約数和(自身を含む): 73719240

約数和(自身を除く): 42579340

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 220, 275, 550, 1100, 28309, 56618, 113236, 141545, 283090, 311399, 566180, 622798, 707725, 1245596, 1415450, 1556995, 2830900, 3113990, 6227980, 7784975, 15569950, 31139900]

約数ペア:

[(1, 31139900), (2, 15569950), (4, 7784975), (5, 6227980), (10, 3113990), (11, 2830900), (20, 1556995), (22, 1415450), (25, 1245596), (44, 707725), (50, 622798), (55, 566180), (100, 311399), (110, 283090), (220, 141545), (275, 113236), (550, 56618), (1100, 28309)]