214945610

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{349}}^1\times {\mathrm{509}}^1$

素因数の和:887

約数の個数: 48

約数和(自身を含む): 427329000

約数和(自身を除く): 212383390

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 242, 349, 509, 605, 698, 1018, 1210, 1745, 2545, 3490, 3839, 5090, 5599, 7678, 11198, 19195, 27995, 38390, 42229, 55990, 61589, 84458, 123178, 177641, 211145, 307945, 355282, 422290, 615890, 888205, 1776410, 1954051, 3908102, 9770255, 19540510, 21494561, 42989122, 107472805, 214945610]

約数ペア:

[(1, 214945610), (2, 107472805), (5, 42989122), (10, 21494561), (11, 19540510), (22, 9770255), (55, 3908102), (110, 1954051), (121, 1776410), (242, 888205), (349, 615890), (509, 422290), (605, 355282), (698, 307945), (1018, 211145), (1210, 177641), (1745, 123178), (2545, 84458), (3490, 61589), (3839, 55990), (5090, 42229), (5599, 38390), (7678, 27995), (11198, 19195)]