42457550

素因数分解:

$2^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{149}}^1$

素因数の和:341

約数の個数: 48

約数和(自身を含む): 82026000

約数和(自身を除く): 39568450

約数列:

[1, 2, 5, 10, 25, 41, 50, 82, 139, 149, 205, 278, 298, 410, 695, 745, 1025, 1390, 1490, 2050, 3475, 3725, 5699, 6109, 6950, 7450, 11398, 12218, 20711, 28495, 30545, 41422, 56990, 61090, 103555, 142475, 152725, 207110, 284950, 305450, 517775, 849151, 1035550, 1698302, 4245755, 8491510, 21228775, 42457550]

約数ペア:

[(1, 42457550), (2, 21228775), (5, 8491510), (10, 4245755), (25, 1698302), (41, 1035550), (50, 849151), (82, 517775), (139, 305450), (149, 284950), (205, 207110), (278, 152725), (298, 142475), (410, 103555), (695, 61090), (745, 56990), (1025, 41422), (1390, 30545), (1490, 28495), (2050, 20711), (3475, 12218), (3725, 11398), (5699, 7450), (6109, 6950)]