30902740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{7393}}^1$

素因数の和:7432

約数の個数: 48

約数和(自身を含む): 74531520

約数和(自身を除く): 43628780

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 2090, 4180, 7393, 14786, 29572, 36965, 73930, 81323, 140467, 147860, 162646, 280934, 325292, 406615, 561868, 702335, 813230, 1404670, 1545137, 1626460, 2809340, 3090274, 6180548, 7725685, 15451370, 30902740]

約数ペア:

[(1, 30902740), (2, 15451370), (4, 7725685), (5, 6180548), (10, 3090274), (11, 2809340), (19, 1626460), (20, 1545137), (22, 1404670), (38, 813230), (44, 702335), (55, 561868), (76, 406615), (95, 325292), (110, 280934), (190, 162646), (209, 147860), (220, 140467), (380, 81323), (418, 73930), (836, 36965), (1045, 29572), (2090, 14786), (4180, 7393)]