487831240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{643}}^1\times {\mathrm{1459}}^1$

素因数の和:2126

約数の個数: 64

約数和(自身を含む): 1184702400

約数和(自身を除く): 696871160

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 643, 1286, 1459, 2572, 2918, 3215, 5144, 5836, 6430, 7295, 8359, 11672, 12860, 14590, 16718, 18967, 25720, 29180, 33436, 37934, 41795, 58360, 66872, 75868, 83590, 94835, 151736, 167180, 189670, 334360, 379340, 758680, 938137, 1876274, 3752548, 4690685, 7505096, 9381370, 12195781, 18762740, 24391562, 37525480, 48783124, 60978905, 97566248, 121957810, 243915620, 487831240]

約数ペア:

[(1, 487831240), (2, 243915620), (4, 121957810), (5, 97566248), (8, 60978905), (10, 48783124), (13, 37525480), (20, 24391562), (26, 18762740), (40, 12195781), (52, 9381370), (65, 7505096), (104, 4690685), (130, 3752548), (260, 1876274), (520, 938137), (643, 758680), (1286, 379340), (1459, 334360), (2572, 189670), (2918, 167180), (3215, 151736), (5144, 94835), (5836, 83590), (6430, 75868), (7295, 66872), (8359, 58360), (11672, 41795), (12860, 37934), (14590, 33436), (16718, 29180), (18967, 25720)]