66820540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{1319}}^1$

素因数の和:1494

約数の個数: 48

約数和(自身を含む): 149688000

約数和(自身を除く): 82867460

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 149, 170, 298, 340, 596, 745, 1319, 1490, 2533, 2638, 2980, 5066, 5276, 6595, 10132, 12665, 13190, 22423, 25330, 26380, 44846, 50660, 89692, 112115, 196531, 224230, 393062, 448460, 786124, 982655, 1965310, 3341027, 3930620, 6682054, 13364108, 16705135, 33410270, 66820540]

約数ペア:

[(1, 66820540), (2, 33410270), (4, 16705135), (5, 13364108), (10, 6682054), (17, 3930620), (20, 3341027), (34, 1965310), (68, 982655), (85, 786124), (149, 448460), (170, 393062), (298, 224230), (340, 196531), (596, 112115), (745, 89692), (1319, 50660), (1490, 44846), (2533, 26380), (2638, 25330), (2980, 22423), (5066, 13190), (5276, 12665), (6595, 10132)]