210005655550

素因数分解:

$2^1\times 5^2\times {\mathrm{191}}^1\times {\mathrm{2221}}^1\times {\mathrm{9901}}^1$

素因数の和:12325

約数の個数: 48

約数和(自身を含む): 392872068864

約数和(自身を除く): 182866413314

約数列:

[1, 2, 5, 10, 25, 50, 191, 382, 955, 1910, 2221, 4442, 4775, 9550, 9901, 11105, 19802, 22210, 49505, 55525, 99010, 111050, 247525, 424211, 495050, 848422, 1891091, 2121055, 3782182, 4242110, 9455455, 10605275, 18910910, 21210550, 21990121, 43980242, 47277275, 94554550, 109950605, 219901210, 549753025, 1099506050, 4200113111, 8400226222, 21000565555, 42001131110, 105002827775, 210005655550]

約数ペア:

[(1, 210005655550), (2, 105002827775), (5, 42001131110), (10, 21000565555), (25, 8400226222), (50, 4200113111), (191, 1099506050), (382, 549753025), (955, 219901210), (1910, 109950605), (2221, 94554550), (4442, 47277275), (4775, 43980242), (9550, 21990121), (9901, 21210550), (11105, 18910910), (19802, 10605275), (22210, 9455455), (49505, 4242110), (55525, 3782182), (99010, 2121055), (111050, 1891091), (247525, 848422), (424211, 495050)]