229799480

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{397}}^1\times {\mathrm{499}}^1$

素因数の和:936

約数の個数: 64

約数和(自身を含む): 537300000

約数和(自身を除く): 307500520

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 397, 499, 580, 794, 998, 1160, 1588, 1985, 1996, 2495, 3176, 3970, 3992, 4990, 7940, 9980, 11513, 14471, 15880, 19960, 23026, 28942, 46052, 57565, 57884, 72355, 92104, 115130, 115768, 144710, 198103, 230260, 289420, 396206, 460520, 578840, 792412, 990515, 1584824, 1981030, 3962060, 5744987, 7924120, 11489974, 22979948, 28724935, 45959896, 57449870, 114899740, 229799480]

約数ペア:

[(1, 229799480), (2, 114899740), (4, 57449870), (5, 45959896), (8, 28724935), (10, 22979948), (20, 11489974), (29, 7924120), (40, 5744987), (58, 3962060), (116, 1981030), (145, 1584824), (232, 990515), (290, 792412), (397, 578840), (499, 460520), (580, 396206), (794, 289420), (998, 230260), (1160, 198103), (1588, 144710), (1985, 115768), (1996, 115130), (2495, 92104), (3176, 72355), (3970, 57884), (3992, 57565), (4990, 46052), (7940, 28942), (9980, 23026), (11513, 19960), (14471, 15880)]