7478380

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{587}}^1$

素因数の和:623

約数の個数: 72

約数和(自身を含む): 19707408

約数和(自身を除く): 12229028

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 130, 140, 182, 196, 245, 260, 364, 455, 490, 587, 637, 910, 980, 1174, 1274, 1820, 2348, 2548, 2935, 3185, 4109, 5870, 6370, 7631, 8218, 11740, 12740, 15262, 16436, 20545, 28763, 30524, 38155, 41090, 53417, 57526, 76310, 82180, 106834, 115052, 143815, 152620, 213668, 267085, 287630, 373919, 534170, 575260, 747838, 1068340, 1495676, 1869595, 3739190, 7478380]

約数ペア:

[(1, 7478380), (2, 3739190), (4, 1869595), (5, 1495676), (7, 1068340), (10, 747838), (13, 575260), (14, 534170), (20, 373919), (26, 287630), (28, 267085), (35, 213668), (49, 152620), (52, 143815), (65, 115052), (70, 106834), (91, 82180), (98, 76310), (130, 57526), (140, 53417), (182, 41090), (196, 38155), (245, 30524), (260, 28763), (364, 20545), (455, 16436), (490, 15262), (587, 12740), (637, 11740), (910, 8218), (980, 7631), (1174, 6370), (1274, 5870), (1820, 4109), (2348, 3185), (2548, 2935)]