668049140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{449}}^1\times {\mathrm{6763}}^1$

素因数の和:7232

約数の個数: 48

約数和(自身を含む): 1534075200

約数和(自身を除く): 866026060

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 449, 898, 1796, 2245, 4490, 4939, 6763, 8980, 9878, 13526, 19756, 24695, 27052, 33815, 49390, 67630, 74393, 98780, 135260, 148786, 297572, 371965, 743930, 1487860, 3036587, 6073174, 12146348, 15182935, 30365870, 33402457, 60731740, 66804914, 133609828, 167012285, 334024570, 668049140]

約数ペア:

[(1, 668049140), (2, 334024570), (4, 167012285), (5, 133609828), (10, 66804914), (11, 60731740), (20, 33402457), (22, 30365870), (44, 15182935), (55, 12146348), (110, 6073174), (220, 3036587), (449, 1487860), (898, 743930), (1796, 371965), (2245, 297572), (4490, 148786), (4939, 135260), (6763, 98780), (8980, 74393), (9878, 67630), (13526, 49390), (19756, 33815), (24695, 27052)]