1889240

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{647}}^1$

素因数の和:731

約数の個数: 32

約数和(自身を含む): 4315680

約数和(自身を除く): 2426440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 647, 730, 1294, 1460, 2588, 2920, 3235, 5176, 6470, 12940, 25880, 47231, 94462, 188924, 236155, 377848, 472310, 944620, 1889240]

約数ペア:

[(1, 1889240), (2, 944620), (4, 472310), (5, 377848), (8, 236155), (10, 188924), (20, 94462), (40, 47231), (73, 25880), (146, 12940), (292, 6470), (365, 5176), (584, 3235), (647, 2920), (730, 2588), (1294, 1460)]