194971640

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{9887}}^1$

素因数の和:9944

約数の個数: 64

約数和(自身を含む): 480556800

約数和(自身を除く): 285585160

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 29, 34, 40, 58, 68, 85, 116, 136, 145, 170, 232, 290, 340, 493, 580, 680, 986, 1160, 1972, 2465, 3944, 4930, 9860, 9887, 19720, 19774, 39548, 49435, 79096, 98870, 168079, 197740, 286723, 336158, 395480, 573446, 672316, 840395, 1146892, 1344632, 1433615, 1680790, 2293784, 2867230, 3361580, 4874291, 5734460, 6723160, 9748582, 11468920, 19497164, 24371455, 38994328, 48742910, 97485820, 194971640]

約数ペア:

[(1, 194971640), (2, 97485820), (4, 48742910), (5, 38994328), (8, 24371455), (10, 19497164), (17, 11468920), (20, 9748582), (29, 6723160), (34, 5734460), (40, 4874291), (58, 3361580), (68, 2867230), (85, 2293784), (116, 1680790), (136, 1433615), (145, 1344632), (170, 1146892), (232, 840395), (290, 672316), (340, 573446), (493, 395480), (580, 336158), (680, 286723), (986, 197740), (1160, 168079), (1972, 98870), (2465, 79096), (3944, 49435), (4930, 39548), (9860, 19774), (9887, 19720)]