399929220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{2221829}}^1$

素因数の和:2221844

約数の個数: 36

約数和(自身を含む): 1213119180

約数和(自身を除く): 813189960

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 2221829, 4443658, 6665487, 8887316, 11109145, 13330974, 19996461, 22218290, 26661948, 33327435, 39992922, 44436580, 66654870, 79985844, 99982305, 133309740, 199964610, 399929220]

約数ペア:

[(1, 399929220), (2, 199964610), (3, 133309740), (4, 99982305), (5, 79985844), (6, 66654870), (9, 44436580), (10, 39992922), (12, 33327435), (15, 26661948), (18, 22218290), (20, 19996461), (30, 13330974), (36, 11109145), (45, 8887316), (60, 6665487), (90, 4443658), (180, 2221829)]