73850780

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{1087}}^1$

素因数の和:1218

約数の個数: 48

約数和(自身を含む): 160849920

約数和(自身を除く): 86999140

約数列:

[1, 2, 4, 5, 10, 20, 43, 79, 86, 158, 172, 215, 316, 395, 430, 790, 860, 1087, 1580, 2174, 3397, 4348, 5435, 6794, 10870, 13588, 16985, 21740, 33970, 46741, 67940, 85873, 93482, 171746, 186964, 233705, 343492, 429365, 467410, 858730, 934820, 1717460, 3692539, 7385078, 14770156, 18462695, 36925390, 73850780]

約数ペア:

[(1, 73850780), (2, 36925390), (4, 18462695), (5, 14770156), (10, 7385078), (20, 3692539), (43, 1717460), (79, 934820), (86, 858730), (158, 467410), (172, 429365), (215, 343492), (316, 233705), (395, 186964), (430, 171746), (790, 93482), (860, 85873), (1087, 67940), (1580, 46741), (2174, 33970), (3397, 21740), (4348, 16985), (5435, 13588), (6794, 10870)]