138756020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{2351}}^1$

素因数の和:2600

約数の個数: 48

約数和(自身を含む): 315318528

約数和(自身を除く): 176562508

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 227, 260, 454, 908, 1135, 2270, 2351, 2951, 4540, 4702, 5902, 9404, 11755, 11804, 14755, 23510, 29510, 30563, 47020, 59020, 61126, 122252, 152815, 305630, 533677, 611260, 1067354, 2134708, 2668385, 5336770, 6937801, 10673540, 13875602, 27751204, 34689005, 69378010, 138756020]

約数ペア:

[(1, 138756020), (2, 69378010), (4, 34689005), (5, 27751204), (10, 13875602), (13, 10673540), (20, 6937801), (26, 5336770), (52, 2668385), (65, 2134708), (130, 1067354), (227, 611260), (260, 533677), (454, 305630), (908, 152815), (1135, 122252), (2270, 61126), (2351, 59020), (2951, 47020), (4540, 30563), (4702, 29510), (5902, 23510), (9404, 14755), (11755, 11804)]