210370940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{5821}}^1$

素因数の和:5982

約数の個数: 48

約数和(自身を含む): 479267040

約数和(自身を除く): 268896100

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 139, 260, 278, 556, 695, 1390, 1807, 2780, 3614, 5821, 7228, 9035, 11642, 18070, 23284, 29105, 36140, 58210, 75673, 116420, 151346, 302692, 378365, 756730, 809119, 1513460, 1618238, 3236476, 4045595, 8091190, 10518547, 16182380, 21037094, 42074188, 52592735, 105185470, 210370940]

約数ペア:

[(1, 210370940), (2, 105185470), (4, 52592735), (5, 42074188), (10, 21037094), (13, 16182380), (20, 10518547), (26, 8091190), (52, 4045595), (65, 3236476), (130, 1618238), (139, 1513460), (260, 809119), (278, 756730), (556, 378365), (695, 302692), (1390, 151346), (1807, 116420), (2780, 75673), (3614, 58210), (5821, 36140), (7228, 29105), (9035, 23284), (11642, 18070)]