329960

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{113}}^1$

素因数の和:197

約数の個数: 32

約数和(自身を含む): 759240

約数和(自身を除く): 429280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 113, 146, 226, 292, 365, 452, 565, 584, 730, 904, 1130, 1460, 2260, 2920, 4520, 8249, 16498, 32996, 41245, 65992, 82490, 164980, 329960]

約数ペア:

[(1, 329960), (2, 164980), (4, 82490), (5, 65992), (8, 41245), (10, 32996), (20, 16498), (40, 8249), (73, 4520), (113, 2920), (146, 2260), (226, 1460), (292, 1130), (365, 904), (452, 730), (565, 584)]