2780845060

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{109}}^1\times {\mathrm{3719}}^1$

素因数の和:3858

約数の個数: 96

約数和(自身を含む): 6874560000

約数和(自身を除く): 4093714940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 109, 140, 196, 218, 245, 343, 436, 490, 545, 686, 763, 980, 1090, 1372, 1526, 1715, 2180, 3052, 3430, 3719, 3815, 5341, 6860, 7438, 7630, 10682, 14876, 15260, 18595, 21364, 26033, 26705, 37190, 37387, 52066, 53410, 74380, 74774, 104132, 106820, 130165, 149548, 182231, 186935, 260330, 364462, 373870, 405371, 520660, 728924, 747740, 810742, 911155, 1275617, 1621484, 1822310, 2026855, 2551234, 2837597, 3644620, 4053710, 5102468, 5675194, 6378085, 8107420, 11350388, 12756170, 14187985, 19863179, 25512340, 28375970, 39726358, 56751940, 79452716, 99315895, 139042253, 198631790, 278084506, 397263580, 556169012, 695211265, 1390422530, 2780845060]

約数ペア:

[(1, 2780845060), (2, 1390422530), (4, 695211265), (5, 556169012), (7, 397263580), (10, 278084506), (14, 198631790), (20, 139042253), (28, 99315895), (35, 79452716), (49, 56751940), (70, 39726358), (98, 28375970), (109, 25512340), (140, 19863179), (196, 14187985), (218, 12756170), (245, 11350388), (343, 8107420), (436, 6378085), (490, 5675194), (545, 5102468), (686, 4053710), (763, 3644620), (980, 2837597), (1090, 2551234), (1372, 2026855), (1526, 1822310), (1715, 1621484), (2180, 1275617), (3052, 911155), (3430, 810742), (3719, 747740), (3815, 728924), (5341, 520660), (6860, 405371), (7438, 373870), (7630, 364462), (10682, 260330), (14876, 186935), (15260, 182231), (18595, 149548), (21364, 130165), (26033, 106820), (26705, 104132), (37190, 74774), (37387, 74380), (52066, 53410)]