397171630

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{9907}}^1$

素因数の和:10144

約数の個数: 32

約数和(自身を含む): 756178560

約数和(自身を除く): 359006930

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 211, 422, 1055, 2110, 4009, 8018, 9907, 19814, 20045, 40090, 49535, 99070, 188233, 376466, 941165, 1882330, 2090377, 4180754, 10451885, 20903770, 39717163, 79434326, 198585815, 397171630]

約数ペア:

[(1, 397171630), (2, 198585815), (5, 79434326), (10, 39717163), (19, 20903770), (38, 10451885), (95, 4180754), (190, 2090377), (211, 1882330), (422, 941165), (1055, 376466), (2110, 188233), (4009, 99070), (8018, 49535), (9907, 40090), (19814, 20045)]