764798980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{19421}}^1$

素因数の和:19620

約数の個数: 48

約数和(自身を含む): 1761963840

約数和(自身を除く): 997164860

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 179, 220, 358, 716, 895, 1790, 1969, 3580, 3938, 7876, 9845, 19421, 19690, 38842, 39380, 77684, 97105, 194210, 213631, 388420, 427262, 854524, 1068155, 2136310, 3476359, 4272620, 6952718, 13905436, 17381795, 34763590, 38239949, 69527180, 76479898, 152959796, 191199745, 382399490, 764798980]

約数ペア:

[(1, 764798980), (2, 382399490), (4, 191199745), (5, 152959796), (10, 76479898), (11, 69527180), (20, 38239949), (22, 34763590), (44, 17381795), (55, 13905436), (110, 6952718), (179, 4272620), (220, 3476359), (358, 2136310), (716, 1068155), (895, 854524), (1790, 427262), (1969, 388420), (3580, 213631), (3938, 194210), (7876, 97105), (9845, 77684), (19421, 39380), (19690, 38842)]