1009362220

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{31721}}^1$

素因数の和:31810

約数の個数: 48

約数和(自身を含む): 2227645728

約数和(自身を除く): 1218283508

約数列:

[1, 2, 4, 5, 10, 20, 37, 43, 74, 86, 148, 172, 185, 215, 370, 430, 740, 860, 1591, 3182, 6364, 7955, 15910, 31721, 31820, 63442, 126884, 158605, 317210, 634420, 1173677, 1364003, 2347354, 2728006, 4694708, 5456012, 5868385, 6820015, 11736770, 13640030, 23473540, 27280060, 50468111, 100936222, 201872444, 252340555, 504681110, 1009362220]

約数ペア:

[(1, 1009362220), (2, 504681110), (4, 252340555), (5, 201872444), (10, 100936222), (20, 50468111), (37, 27280060), (43, 23473540), (74, 13640030), (86, 11736770), (148, 6820015), (172, 5868385), (185, 5456012), (215, 4694708), (370, 2728006), (430, 2347354), (740, 1364003), (860, 1173677), (1591, 634420), (3182, 317210), (6364, 158605), (7955, 126884), (15910, 63442), (31721, 31820)]