1551179420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{257671}}^1$

素因数の和:257730

約数の個数: 48

約数和(自身を含む): 3809422848

約数和(自身を除く): 2258243428

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 70, 86, 140, 172, 215, 301, 430, 602, 860, 1204, 1505, 3010, 6020, 257671, 515342, 1030684, 1288355, 1803697, 2576710, 3607394, 5153420, 7214788, 9018485, 11079853, 18036970, 22159706, 36073940, 44319412, 55399265, 77558971, 110798530, 155117942, 221597060, 310235884, 387794855, 775589710, 1551179420]

約数ペア:

[(1, 1551179420), (2, 775589710), (4, 387794855), (5, 310235884), (7, 221597060), (10, 155117942), (14, 110798530), (20, 77558971), (28, 55399265), (35, 44319412), (43, 36073940), (70, 22159706), (86, 18036970), (140, 11079853), (172, 9018485), (215, 7214788), (301, 5153420), (430, 3607394), (602, 2576710), (860, 1803697), (1204, 1288355), (1505, 1030684), (3010, 515342), (6020, 257671)]