142276740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{139487}}^1$

素因数の和:139516

約数の個数: 48

約数和(自身を含む): 421811712

約数和(自身を除く): 279534972

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 139487, 278974, 418461, 557948, 697435, 836922, 1394870, 1673844, 2092305, 2371279, 2789740, 4184610, 4742558, 7113837, 8369220, 9485116, 11856395, 14227674, 23712790, 28455348, 35569185, 47425580, 71138370, 142276740]

約数ペア:

[(1, 142276740), (2, 71138370), (3, 47425580), (4, 35569185), (5, 28455348), (6, 23712790), (10, 14227674), (12, 11856395), (15, 9485116), (17, 8369220), (20, 7113837), (30, 4742558), (34, 4184610), (51, 2789740), (60, 2371279), (68, 2092305), (85, 1673844), (102, 1394870), (170, 836922), (204, 697435), (255, 557948), (340, 418461), (510, 278974), (1020, 139487)]