216380890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^2\times {\mathrm{2339}}^1$

素因数の和:2415

約数の個数: 48

約数和(自身を含む): 440238240

約数和(自身を除く): 223857350

約数列:

[1, 2, 5, 10, 11, 22, 29, 55, 58, 110, 145, 290, 319, 638, 841, 1595, 1682, 2339, 3190, 4205, 4678, 8410, 9251, 11695, 18502, 23390, 25729, 46255, 51458, 67831, 92510, 128645, 135662, 257290, 339155, 678310, 746141, 1492282, 1967099, 3730705, 3934198, 7461410, 9835495, 19670990, 21638089, 43276178, 108190445, 216380890]

約数ペア:

[(1, 216380890), (2, 108190445), (5, 43276178), (10, 21638089), (11, 19670990), (22, 9835495), (29, 7461410), (55, 3934198), (58, 3730705), (110, 1967099), (145, 1492282), (290, 746141), (319, 678310), (638, 339155), (841, 257290), (1595, 135662), (1682, 128645), (2339, 92510), (3190, 67831), (4205, 51458), (4678, 46255), (8410, 25729), (9251, 23390), (11695, 18502)]