289802590

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{2309}}^1$

素因数の和:2497

約数の個数: 64

約数和(自身を含む): 654635520

約数和(自身を除く): 364832930

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 163, 326, 385, 770, 815, 1141, 1630, 1793, 2282, 2309, 3586, 4618, 5705, 8965, 11410, 11545, 12551, 16163, 17930, 23090, 25102, 25399, 32326, 50798, 62755, 80815, 125510, 126995, 161630, 177793, 253990, 355586, 376367, 752734, 888965, 1777930, 1881835, 2634569, 3763670, 4140037, 5269138, 8280074, 13172845, 20700185, 26345690, 28980259, 41400370, 57960518, 144901295, 289802590]

約数ペア:

[(1, 289802590), (2, 144901295), (5, 57960518), (7, 41400370), (10, 28980259), (11, 26345690), (14, 20700185), (22, 13172845), (35, 8280074), (55, 5269138), (70, 4140037), (77, 3763670), (110, 2634569), (154, 1881835), (163, 1777930), (326, 888965), (385, 752734), (770, 376367), (815, 355586), (1141, 253990), (1630, 177793), (1793, 161630), (2282, 126995), (2309, 125510), (3586, 80815), (4618, 62755), (5705, 50798), (8965, 32326), (11410, 25399), (11545, 25102), (12551, 23090), (16163, 17930)]