491165650

素因数分解:

$2^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{263}}^1\times {\mathrm{911}}^1$

素因数の和:1227

約数の個数: 48

約数和(自身を含む): 940439808

約数和(自身を除く): 449274158

約数列:

[1, 2, 5, 10, 25, 41, 50, 82, 205, 263, 410, 526, 911, 1025, 1315, 1822, 2050, 2630, 4555, 6575, 9110, 10783, 13150, 21566, 22775, 37351, 45550, 53915, 74702, 107830, 186755, 239593, 269575, 373510, 479186, 539150, 933775, 1197965, 1867550, 2395930, 5989825, 9823313, 11979650, 19646626, 49116565, 98233130, 245582825, 491165650]

約数ペア:

[(1, 491165650), (2, 245582825), (5, 98233130), (10, 49116565), (25, 19646626), (41, 11979650), (50, 9823313), (82, 5989825), (205, 2395930), (263, 1867550), (410, 1197965), (526, 933775), (911, 539150), (1025, 479186), (1315, 373510), (1822, 269575), (2050, 239593), (2630, 186755), (4555, 107830), (6575, 74702), (9110, 53915), (10783, 45550), (13150, 37351), (21566, 22775)]