72390710

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{4327}}^1$

素因数の和:4580

約数の個数: 32

約数和(自身を含む): 149575680

約数和(自身を除く): 77184970

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 239, 478, 1195, 1673, 2390, 3346, 4327, 8365, 8654, 16730, 21635, 30289, 43270, 60578, 151445, 302890, 1034153, 2068306, 5170765, 7239071, 10341530, 14478142, 36195355, 72390710]

約数ペア:

[(1, 72390710), (2, 36195355), (5, 14478142), (7, 10341530), (10, 7239071), (14, 5170765), (35, 2068306), (70, 1034153), (239, 302890), (478, 151445), (1195, 60578), (1673, 43270), (2390, 30289), (3346, 21635), (4327, 16730), (8365, 8654)]