78448340

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{4801}}^1$

素因数の和:4872

約数の個数: 48

約数和(自身を含む): 177481920

約数和(自身を除く): 99033580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 43, 76, 86, 95, 172, 190, 215, 380, 430, 817, 860, 1634, 3268, 4085, 4801, 8170, 9602, 16340, 19204, 24005, 48010, 91219, 96020, 182438, 206443, 364876, 412886, 456095, 825772, 912190, 1032215, 1824380, 2064430, 3922417, 4128860, 7844834, 15689668, 19612085, 39224170, 78448340]

約数ペア:

[(1, 78448340), (2, 39224170), (4, 19612085), (5, 15689668), (10, 7844834), (19, 4128860), (20, 3922417), (38, 2064430), (43, 1824380), (76, 1032215), (86, 912190), (95, 825772), (172, 456095), (190, 412886), (215, 364876), (380, 206443), (430, 182438), (817, 96020), (860, 91219), (1634, 48010), (3268, 24005), (4085, 19204), (4801, 16340), (8170, 9602)]