205540280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{42467}}^1$

素因数の和:42500

約数の個数: 48

約数和(自身を含む): 508341960

約数和(自身を除く): 302801680

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 440, 484, 605, 968, 1210, 2420, 4840, 42467, 84934, 169868, 212335, 339736, 424670, 467137, 849340, 934274, 1698680, 1868548, 2335685, 3737096, 4671370, 5138507, 9342740, 10277014, 18685480, 20554028, 25692535, 41108056, 51385070, 102770140, 205540280]

約数ペア:

[(1, 205540280), (2, 102770140), (4, 51385070), (5, 41108056), (8, 25692535), (10, 20554028), (11, 18685480), (20, 10277014), (22, 9342740), (40, 5138507), (44, 4671370), (55, 3737096), (88, 2335685), (110, 1868548), (121, 1698680), (220, 934274), (242, 849340), (440, 467137), (484, 424670), (605, 339736), (968, 212335), (1210, 169868), (2420, 84934), (4840, 42467)]