263811460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{109013}}^1$

素因数の和:109044

約数の個数: 36

約数和(自身を含む): 608952204

約数和(自身を除く): 345140744

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 109013, 218026, 436052, 545065, 1090130, 1199143, 2180260, 2398286, 4796572, 5995715, 11991430, 13190573, 23982860, 26381146, 52762292, 65952865, 131905730, 263811460]

約数ペア:

[(1, 263811460), (2, 131905730), (4, 65952865), (5, 52762292), (10, 26381146), (11, 23982860), (20, 13190573), (22, 11991430), (44, 5995715), (55, 4796572), (110, 2398286), (121, 2180260), (220, 1199143), (242, 1090130), (484, 545065), (605, 436052), (1210, 218026), (2420, 109013)]