811648360

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{349}}^1\times {\mathrm{1097}}^1$

素因数の和:1510

約数の個数: 64

約数和(自身を含む): 1867698000

約数和(自身を除く): 1056049640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 349, 424, 530, 698, 1060, 1097, 1396, 1745, 2120, 2194, 2792, 3490, 4388, 5485, 6980, 8776, 10970, 13960, 18497, 21940, 36994, 43880, 58141, 73988, 92485, 116282, 147976, 184970, 232564, 290705, 369940, 382853, 465128, 581410, 739880, 765706, 1162820, 1531412, 1914265, 2325640, 3062824, 3828530, 7657060, 15314120, 20291209, 40582418, 81164836, 101456045, 162329672, 202912090, 405824180, 811648360]

約数ペア:

[(1, 811648360), (2, 405824180), (4, 202912090), (5, 162329672), (8, 101456045), (10, 81164836), (20, 40582418), (40, 20291209), (53, 15314120), (106, 7657060), (212, 3828530), (265, 3062824), (349, 2325640), (424, 1914265), (530, 1531412), (698, 1162820), (1060, 765706), (1097, 739880), (1396, 581410), (1745, 465128), (2120, 382853), (2194, 369940), (2792, 290705), (3490, 232564), (4388, 184970), (5485, 147976), (6980, 116282), (8776, 92485), (10970, 73988), (13960, 58141), (18497, 43880), (21940, 36994)]