30958340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{881}}^1$

素因数の和:1148

約数の個数: 48

約数和(自身を含む): 74680704

約数和(自身を除く): 43722364

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 251, 502, 881, 1004, 1255, 1757, 1762, 2510, 3514, 3524, 4405, 5020, 6167, 7028, 8785, 8810, 12334, 17570, 17620, 24668, 30835, 35140, 61670, 123340, 221131, 442262, 884524, 1105655, 1547917, 2211310, 3095834, 4422620, 6191668, 7739585, 15479170, 30958340]

約数ペア:

[(1, 30958340), (2, 15479170), (4, 7739585), (5, 6191668), (7, 4422620), (10, 3095834), (14, 2211310), (20, 1547917), (28, 1105655), (35, 884524), (70, 442262), (140, 221131), (251, 123340), (502, 61670), (881, 35140), (1004, 30835), (1255, 24668), (1757, 17620), (1762, 17570), (2510, 12334), (3514, 8810), (3524, 8785), (4405, 7028), (5020, 6167)]