202118980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{49783}}^1$

素因数の和:49828

約数の個数: 48

約数和(自身を含む): 501822720

約数和(自身を除く): 299703740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 2030, 4060, 49783, 99566, 199132, 248915, 348481, 497830, 696962, 995660, 1393924, 1443707, 1742405, 2887414, 3484810, 5774828, 6969620, 7218535, 10105949, 14437070, 20211898, 28874140, 40423796, 50529745, 101059490, 202118980]

約数ペア:

[(1, 202118980), (2, 101059490), (4, 50529745), (5, 40423796), (7, 28874140), (10, 20211898), (14, 14437070), (20, 10105949), (28, 7218535), (29, 6969620), (35, 5774828), (58, 3484810), (70, 2887414), (116, 1742405), (140, 1443707), (145, 1393924), (203, 995660), (290, 696962), (406, 497830), (580, 348481), (812, 248915), (1015, 199132), (2030, 99566), (4060, 49783)]