195857740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{6911}}^1$

素因数の和:7042

約数の個数: 48

約数和(自身を含む): 447068160

約数和(自身を除く): 251210420

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 109, 130, 218, 260, 436, 545, 1090, 1417, 2180, 2834, 5668, 6911, 7085, 13822, 14170, 27644, 28340, 34555, 69110, 89843, 138220, 179686, 359372, 449215, 753299, 898430, 1506598, 1796860, 3013196, 3766495, 7532990, 9792887, 15065980, 19585774, 39171548, 48964435, 97928870, 195857740]

約数ペア:

[(1, 195857740), (2, 97928870), (4, 48964435), (5, 39171548), (10, 19585774), (13, 15065980), (20, 9792887), (26, 7532990), (52, 3766495), (65, 3013196), (109, 1796860), (130, 1506598), (218, 898430), (260, 753299), (436, 449215), (545, 359372), (1090, 179686), (1417, 138220), (2180, 89843), (2834, 69110), (5668, 34555), (6911, 28340), (7085, 27644), (13822, 14170)]