1994377250

素因数分解:

$2^1\times 5^3\times {\mathrm{31}}^1\times {\mathrm{257339}}^1$

素因数の和:257387

約数の個数: 32

約数和(自身を含む): 3853923840

約数和(自身を除く): 1859546590

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 125, 155, 250, 310, 775, 1550, 3875, 7750, 257339, 514678, 1286695, 2573390, 6433475, 7977509, 12866950, 15955018, 32167375, 39887545, 64334750, 79775090, 199437725, 398875450, 997188625, 1994377250]

約数ペア:

[(1, 1994377250), (2, 997188625), (5, 398875450), (10, 199437725), (25, 79775090), (31, 64334750), (50, 39887545), (62, 32167375), (125, 15955018), (155, 12866950), (250, 7977509), (310, 6433475), (775, 2573390), (1550, 1286695), (3875, 514678), (7750, 257339)]