61638260

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{911}}^1$

素因数の和:1136

約数の個数: 48

約数和(自身を含む): 137894400

約数和(自身を除く): 76256140

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 199, 340, 398, 796, 911, 995, 1822, 1990, 3383, 3644, 3980, 4555, 6766, 9110, 13532, 15487, 16915, 18220, 30974, 33830, 61948, 67660, 77435, 154870, 181289, 309740, 362578, 725156, 906445, 1812890, 3081913, 3625780, 6163826, 12327652, 15409565, 30819130, 61638260]

約数ペア:

[(1, 61638260), (2, 30819130), (4, 15409565), (5, 12327652), (10, 6163826), (17, 3625780), (20, 3081913), (34, 1812890), (68, 906445), (85, 725156), (170, 362578), (199, 309740), (340, 181289), (398, 154870), (796, 77435), (911, 67660), (995, 61948), (1822, 33830), (1990, 30974), (3383, 18220), (3644, 16915), (3980, 15487), (4555, 13532), (6766, 9110)]