312777740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{307}}^1\times {\mathrm{421}}^1$

素因数の和:759

約数の個数: 72

約数和(自身を含む): 726045936

約数和(自身を除く): 413268196

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 307, 421, 484, 605, 614, 842, 1210, 1228, 1535, 1684, 2105, 2420, 3070, 3377, 4210, 4631, 6140, 6754, 8420, 9262, 13508, 16885, 18524, 23155, 33770, 37147, 46310, 50941, 67540, 74294, 92620, 101882, 129247, 148588, 185735, 203764, 254705, 258494, 371470, 509410, 516988, 646235, 742940, 1018820, 1292470, 1421717, 2584940, 2843434, 5686868, 7108585, 14217170, 15638887, 28434340, 31277774, 62555548, 78194435, 156388870, 312777740]

約数ペア:

[(1, 312777740), (2, 156388870), (4, 78194435), (5, 62555548), (10, 31277774), (11, 28434340), (20, 15638887), (22, 14217170), (44, 7108585), (55, 5686868), (110, 2843434), (121, 2584940), (220, 1421717), (242, 1292470), (307, 1018820), (421, 742940), (484, 646235), (605, 516988), (614, 509410), (842, 371470), (1210, 258494), (1228, 254705), (1535, 203764), (1684, 185735), (2105, 148588), (2420, 129247), (3070, 101882), (3377, 92620), (4210, 74294), (4631, 67540), (6140, 50941), (6754, 46310), (8420, 37147), (9262, 33770), (13508, 23155), (16885, 18524)]