99827020

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{149}}^1\times {\mathrm{241}}^1$

素因数の和:538

約数の個数: 48

約数和(自身を含む): 213444000

約数和(自身を除く): 113616980

約数列:

[1, 2, 4, 5, 10, 20, 139, 149, 241, 278, 298, 482, 556, 596, 695, 745, 964, 1205, 1390, 1490, 2410, 2780, 2980, 4820, 20711, 33499, 35909, 41422, 66998, 71818, 82844, 103555, 133996, 143636, 167495, 179545, 207110, 334990, 359090, 414220, 669980, 718180, 4991351, 9982702, 19965404, 24956755, 49913510, 99827020]

約数ペア:

[(1, 99827020), (2, 49913510), (4, 24956755), (5, 19965404), (10, 9982702), (20, 4991351), (139, 718180), (149, 669980), (241, 414220), (278, 359090), (298, 334990), (482, 207110), (556, 179545), (596, 167495), (695, 143636), (745, 133996), (964, 103555), (1205, 82844), (1390, 71818), (1490, 66998), (2410, 41422), (2780, 35909), (2980, 33499), (4820, 20711)]