215845870

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{4673}}^1$

素因数の和:4860

約数の個数: 32

約数和(自身を含む): 403833600

約数和(自身を除く): 187987730

約数列:

[1, 2, 5, 10, 31, 62, 149, 155, 298, 310, 745, 1490, 4619, 4673, 9238, 9346, 23095, 23365, 46190, 46730, 144863, 289726, 696277, 724315, 1392554, 1448630, 3481385, 6962770, 21584587, 43169174, 107922935, 215845870]

約数ペア:

[(1, 215845870), (2, 107922935), (5, 43169174), (10, 21584587), (31, 6962770), (62, 3481385), (149, 1448630), (155, 1392554), (298, 724315), (310, 696277), (745, 289726), (1490, 144863), (4619, 46730), (4673, 46190), (9238, 23365), (9346, 23095)]