1289022010

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^2\times {\mathrm{109}}^1\times {\mathrm{421}}^1$

素因数の和:643

約数の個数: 48

約数和(自身を含む): 2392208280

約数和(自身を除く): 1103186270

約数列:

[1, 2, 5, 10, 53, 106, 109, 218, 265, 421, 530, 545, 842, 1090, 2105, 2809, 4210, 5618, 5777, 11554, 14045, 22313, 28090, 28885, 44626, 45889, 57770, 91778, 111565, 223130, 229445, 306181, 458890, 612362, 1182589, 1530905, 2365178, 2432117, 3061810, 4864234, 5912945, 11825890, 12160585, 24321170, 128902201, 257804402, 644511005, 1289022010]

約数ペア:

[(1, 1289022010), (2, 644511005), (5, 257804402), (10, 128902201), (53, 24321170), (106, 12160585), (109, 11825890), (218, 5912945), (265, 4864234), (421, 3061810), (530, 2432117), (545, 2365178), (842, 1530905), (1090, 1182589), (2105, 612362), (2809, 458890), (4210, 306181), (5618, 229445), (5777, 223130), (11554, 111565), (14045, 91778), (22313, 57770), (28090, 45889), (28885, 44626)]