1801640

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{617}}^1$

素因数の和:701

約数の個数: 32

約数和(自身を含む): 4115880

約数和(自身を除く): 2314240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 617, 730, 1234, 1460, 2468, 2920, 3085, 4936, 6170, 12340, 24680, 45041, 90082, 180164, 225205, 360328, 450410, 900820, 1801640]

約数ペア:

[(1, 1801640), (2, 900820), (4, 450410), (5, 360328), (8, 225205), (10, 180164), (20, 90082), (40, 45041), (73, 24680), (146, 12340), (292, 6170), (365, 4936), (584, 3085), (617, 2920), (730, 2468), (1234, 1460)]