2012256620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{443}}^1\times {\mathrm{1877}}^1$

素因数の和:2351

約数の個数: 72

約数和(自身を含む): 4657785552

約数和(自身を除く): 2645528932

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 443, 484, 605, 886, 1210, 1772, 1877, 2215, 2420, 3754, 4430, 4873, 7508, 8860, 9385, 9746, 18770, 19492, 20647, 24365, 37540, 41294, 48730, 53603, 82588, 97460, 103235, 107206, 206470, 214412, 227117, 268015, 412940, 454234, 536030, 831511, 908468, 1072060, 1135585, 1663022, 2271170, 3326044, 4157555, 4542340, 8315110, 9146621, 16630220, 18293242, 36586484, 45733105, 91466210, 100612831, 182932420, 201225662, 402451324, 503064155, 1006128310, 2012256620]

約数ペア:

[(1, 2012256620), (2, 1006128310), (4, 503064155), (5, 402451324), (10, 201225662), (11, 182932420), (20, 100612831), (22, 91466210), (44, 45733105), (55, 36586484), (110, 18293242), (121, 16630220), (220, 9146621), (242, 8315110), (443, 4542340), (484, 4157555), (605, 3326044), (886, 2271170), (1210, 1663022), (1772, 1135585), (1877, 1072060), (2215, 908468), (2420, 831511), (3754, 536030), (4430, 454234), (4873, 412940), (7508, 268015), (8860, 227117), (9385, 214412), (9746, 206470), (18770, 107206), (19492, 103235), (20647, 97460), (24365, 82588), (37540, 53603), (41294, 48730)]