1086980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1$

素因数の和:188

約数の個数: 48

約数和(自身を含む): 2540160

約数和(自身を除く): 1453180

約数列:

[1, 2, 4, 5, 10, 17, 20, 23, 34, 46, 68, 85, 92, 115, 139, 170, 230, 278, 340, 391, 460, 556, 695, 782, 1390, 1564, 1955, 2363, 2780, 3197, 3910, 4726, 6394, 7820, 9452, 11815, 12788, 15985, 23630, 31970, 47260, 54349, 63940, 108698, 217396, 271745, 543490, 1086980]

約数ペア:

[(1, 1086980), (2, 543490), (4, 271745), (5, 217396), (10, 108698), (17, 63940), (20, 54349), (23, 47260), (34, 31970), (46, 23630), (68, 15985), (85, 12788), (92, 11815), (115, 9452), (139, 7820), (170, 6394), (230, 4726), (278, 3910), (340, 3197), (391, 2780), (460, 2363), (556, 1955), (695, 1564), (782, 1390)]