25678660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{1231}}^1$

素因数の和:1396

約数の個数: 48

約数和(自身を含む): 62092800

約数和(自身を除く): 36414140

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 149, 298, 596, 745, 1043, 1231, 1490, 2086, 2462, 2980, 4172, 4924, 5215, 6155, 8617, 10430, 12310, 17234, 20860, 24620, 34468, 43085, 86170, 172340, 183419, 366838, 733676, 917095, 1283933, 1834190, 2567866, 3668380, 5135732, 6419665, 12839330, 25678660]

約数ペア:

[(1, 25678660), (2, 12839330), (4, 6419665), (5, 5135732), (7, 3668380), (10, 2567866), (14, 1834190), (20, 1283933), (28, 917095), (35, 733676), (70, 366838), (140, 183419), (149, 172340), (298, 86170), (596, 43085), (745, 34468), (1043, 24620), (1231, 20860), (1490, 17234), (2086, 12310), (2462, 10430), (2980, 8617), (4172, 6155), (4924, 5215)]