7281036220

素因数分解:

$2^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{643}}^1\times {\mathrm{3163}}^1$

素因数の和:3994

約数の個数: 48

約数和(自身を含む): 15404376960

約数和(自身を除く): 8123340740

約数列:

[1, 2, 4, 5, 10, 20, 179, 358, 643, 716, 895, 1286, 1790, 2572, 3163, 3215, 3580, 6326, 6430, 12652, 12860, 15815, 31630, 63260, 115097, 230194, 460388, 566177, 575485, 1132354, 1150970, 2033809, 2264708, 2301940, 2830885, 4067618, 5661770, 8135236, 10169045, 11323540, 20338090, 40676180, 364051811, 728103622, 1456207244, 1820259055, 3640518110, 7281036220]

約数ペア:

[(1, 7281036220), (2, 3640518110), (4, 1820259055), (5, 1456207244), (10, 728103622), (20, 364051811), (179, 40676180), (358, 20338090), (643, 11323540), (716, 10169045), (895, 8135236), (1286, 5661770), (1790, 4067618), (2572, 2830885), (3163, 2301940), (3215, 2264708), (3580, 2033809), (6326, 1150970), (6430, 1132354), (12652, 575485), (12860, 566177), (15815, 460388), (31630, 230194), (63260, 115097)]