858239240

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{199}}^1\times {\mathrm{787}}^1$

素因数の和:1134

約数の個数: 64

約数和(自身を含む): 1957392000

約数和(自身を除く): 1099152760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 199, 274, 398, 548, 685, 787, 796, 995, 1096, 1370, 1574, 1592, 1990, 2740, 3148, 3935, 3980, 5480, 6296, 7870, 7960, 15740, 27263, 31480, 54526, 107819, 109052, 136315, 156613, 215638, 218104, 272630, 313226, 431276, 539095, 545260, 626452, 783065, 862552, 1078190, 1090520, 1252904, 1566130, 2156380, 3132260, 4312760, 6264520, 21455981, 42911962, 85823924, 107279905, 171647848, 214559810, 429119620, 858239240]

約数ペア:

[(1, 858239240), (2, 429119620), (4, 214559810), (5, 171647848), (8, 107279905), (10, 85823924), (20, 42911962), (40, 21455981), (137, 6264520), (199, 4312760), (274, 3132260), (398, 2156380), (548, 1566130), (685, 1252904), (787, 1090520), (796, 1078190), (995, 862552), (1096, 783065), (1370, 626452), (1574, 545260), (1592, 539095), (1990, 431276), (2740, 313226), (3148, 272630), (3935, 218104), (3980, 215638), (5480, 156613), (6296, 136315), (7870, 109052), (7960, 107819), (15740, 54526), (27263, 31480)]