1285498370

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{229}}^1\times {\mathrm{1489}}^1$

素因数の和:1767

約数の個数: 64

約数和(自身を含む): 2590812000

約数和(自身を除く): 1305313630

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 130, 145, 229, 290, 377, 458, 754, 1145, 1489, 1885, 2290, 2977, 2978, 3770, 5954, 6641, 7445, 13282, 14885, 14890, 19357, 29770, 33205, 38714, 43181, 66410, 86333, 86362, 96785, 172666, 193570, 215905, 340981, 431665, 431810, 561353, 681962, 863330, 1122706, 1704905, 2806765, 3409810, 4432753, 5613530, 8865506, 9888449, 19776898, 22163765, 44327530, 49442245, 98884490, 128549837, 257099674, 642749185, 1285498370]

約数ペア:

[(1, 1285498370), (2, 642749185), (5, 257099674), (10, 128549837), (13, 98884490), (26, 49442245), (29, 44327530), (58, 22163765), (65, 19776898), (130, 9888449), (145, 8865506), (229, 5613530), (290, 4432753), (377, 3409810), (458, 2806765), (754, 1704905), (1145, 1122706), (1489, 863330), (1885, 681962), (2290, 561353), (2977, 431810), (2978, 431665), (3770, 340981), (5954, 215905), (6641, 193570), (7445, 172666), (13282, 96785), (14885, 86362), (14890, 86333), (19357, 66410), (29770, 43181), (33205, 38714)]