139113850

素因数分解:

$2^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{149}}^1\times {\mathrm{263}}^1$

素因数の和:495

約数の個数: 48

約数和(自身を含む): 265161600

約数和(自身を除く): 126047750

約数列:

[1, 2, 5, 10, 25, 50, 71, 142, 149, 263, 298, 355, 526, 710, 745, 1315, 1490, 1775, 2630, 3550, 3725, 6575, 7450, 10579, 13150, 18673, 21158, 37346, 39187, 52895, 78374, 93365, 105790, 186730, 195935, 264475, 391870, 466825, 528950, 933650, 979675, 1959350, 2782277, 5564554, 13911385, 27822770, 69556925, 139113850]

約数ペア:

[(1, 139113850), (2, 69556925), (5, 27822770), (10, 13911385), (25, 5564554), (50, 2782277), (71, 1959350), (142, 979675), (149, 933650), (263, 528950), (298, 466825), (355, 391870), (526, 264475), (710, 195935), (745, 186730), (1315, 105790), (1490, 93365), (1775, 78374), (2630, 52895), (3550, 39187), (3725, 37346), (6575, 21158), (7450, 18673), (10579, 13150)]