171955880

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{58889}}^1$

素因数の和:58973

約数の個数: 32

約数和(自身を含む): 392207400

約数和(自身を除く): 220251520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 58889, 117778, 235556, 294445, 471112, 588890, 1177780, 2355560, 4298897, 8597794, 17195588, 21494485, 34391176, 42988970, 85977940, 171955880]

約数ペア:

[(1, 171955880), (2, 85977940), (4, 42988970), (5, 34391176), (8, 21494485), (10, 17195588), (20, 8597794), (40, 4298897), (73, 2355560), (146, 1177780), (292, 588890), (365, 471112), (584, 294445), (730, 235556), (1460, 117778), (2920, 58889)]