1276809940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{797}}^1\times {\mathrm{11443}}^1$

素因数の和:12256

約数の個数: 48

約数和(自身を含む): 3068456832

約数和(自身を除く): 1791646892

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 797, 1594, 3188, 3985, 5579, 7970, 11158, 11443, 15940, 22316, 22886, 27895, 45772, 55790, 57215, 80101, 111580, 114430, 160202, 228860, 320404, 400505, 801010, 1602020, 9120071, 18240142, 36480284, 45600355, 63840497, 91200710, 127680994, 182401420, 255361988, 319202485, 638404970, 1276809940]

約数ペア:

[(1, 1276809940), (2, 638404970), (4, 319202485), (5, 255361988), (7, 182401420), (10, 127680994), (14, 91200710), (20, 63840497), (28, 45600355), (35, 36480284), (70, 18240142), (140, 9120071), (797, 1602020), (1594, 801010), (3188, 400505), (3985, 320404), (5579, 228860), (7970, 160202), (11158, 114430), (11443, 111580), (15940, 80101), (22316, 57215), (22886, 55790), (27895, 45772)]