91643480

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{199}}^1\times {\mathrm{397}}^1$

素因数の和:636

約数の個数: 64

約数和(自身を含む): 214920000

約数和(自身を除く): 123276520

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 199, 232, 290, 397, 398, 580, 794, 796, 995, 1160, 1588, 1592, 1985, 1990, 3176, 3970, 3980, 5771, 7940, 7960, 11513, 11542, 15880, 23026, 23084, 28855, 46052, 46168, 57565, 57710, 79003, 92104, 115130, 115420, 158006, 230260, 230840, 316012, 395015, 460520, 632024, 790030, 1580060, 2291087, 3160120, 4582174, 9164348, 11455435, 18328696, 22910870, 45821740, 91643480]

約数ペア:

[(1, 91643480), (2, 45821740), (4, 22910870), (5, 18328696), (8, 11455435), (10, 9164348), (20, 4582174), (29, 3160120), (40, 2291087), (58, 1580060), (116, 790030), (145, 632024), (199, 460520), (232, 395015), (290, 316012), (397, 230840), (398, 230260), (580, 158006), (794, 115420), (796, 115130), (995, 92104), (1160, 79003), (1588, 57710), (1592, 57565), (1985, 46168), (1990, 46052), (3176, 28855), (3970, 23084), (3980, 23026), (5771, 15880), (7940, 11542), (7960, 11513)]