486327940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{487}}^1\times {\mathrm{1019}}^1$

素因数の和:1529

約数の個数: 72

約数和(自身を含む): 1191637440

約数和(自身を除く): 705309500

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 487, 490, 974, 980, 1019, 1948, 2038, 2435, 3409, 4076, 4870, 5095, 6818, 7133, 9740, 10190, 13636, 14266, 17045, 20380, 23863, 28532, 34090, 35665, 47726, 49931, 68180, 71330, 95452, 99862, 119315, 142660, 199724, 238630, 249655, 477260, 496253, 499310, 992506, 998620, 1985012, 2481265, 3473771, 4962530, 6947542, 9925060, 13895084, 17368855, 24316397, 34737710, 48632794, 69475420, 97265588, 121581985, 243163970, 486327940]

約数ペア:

[(1, 486327940), (2, 243163970), (4, 121581985), (5, 97265588), (7, 69475420), (10, 48632794), (14, 34737710), (20, 24316397), (28, 17368855), (35, 13895084), (49, 9925060), (70, 6947542), (98, 4962530), (140, 3473771), (196, 2481265), (245, 1985012), (487, 998620), (490, 992506), (974, 499310), (980, 496253), (1019, 477260), (1948, 249655), (2038, 238630), (2435, 199724), (3409, 142660), (4076, 119315), (4870, 99862), (5095, 95452), (6818, 71330), (7133, 68180), (9740, 49931), (10190, 47726), (13636, 35665), (14266, 34090), (17045, 28532), (20380, 23863)]