1730920

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{397}}^1$

素因数の和:517

約数の個数: 32

約数和(自身を含む): 3940200

約数和(自身を除く): 2209280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 397, 436, 545, 794, 872, 1090, 1588, 1985, 2180, 3176, 3970, 4360, 7940, 15880, 43273, 86546, 173092, 216365, 346184, 432730, 865460, 1730920]

約数ペア:

[(1, 1730920), (2, 865460), (4, 432730), (5, 346184), (8, 216365), (10, 173092), (20, 86546), (40, 43273), (109, 15880), (218, 7940), (397, 4360), (436, 3970), (545, 3176), (794, 2180), (872, 1985), (1090, 1588)]