79318660

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{619}}^1$

素因数の和:820

約数の個数: 48

約数和(自身を含む): 171864000

約数和(自身を除く): 92545340

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 149, 172, 215, 298, 430, 596, 619, 745, 860, 1238, 1490, 2476, 2980, 3095, 6190, 6407, 12380, 12814, 25628, 26617, 32035, 53234, 64070, 92231, 106468, 128140, 133085, 184462, 266170, 368924, 461155, 532340, 922310, 1844620, 3965933, 7931866, 15863732, 19829665, 39659330, 79318660]

約数ペア:

[(1, 79318660), (2, 39659330), (4, 19829665), (5, 15863732), (10, 7931866), (20, 3965933), (43, 1844620), (86, 922310), (149, 532340), (172, 461155), (215, 368924), (298, 266170), (430, 184462), (596, 133085), (619, 128140), (745, 106468), (860, 92231), (1238, 64070), (1490, 53234), (2476, 32035), (2980, 26617), (3095, 25628), (6190, 12814), (6407, 12380)]