230378320

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{199}}^1\times {\mathrm{499}}^1$

素因数の和:740

約数の個数: 80

約数和(自身を含む): 558000000

約数和(自身を除く): 327621680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 199, 232, 290, 398, 464, 499, 580, 796, 995, 998, 1160, 1592, 1990, 1996, 2320, 2495, 3184, 3980, 3992, 4990, 5771, 7960, 7984, 9980, 11542, 14471, 15920, 19960, 23084, 28855, 28942, 39920, 46168, 57710, 57884, 72355, 92336, 99301, 115420, 115768, 144710, 198602, 230840, 231536, 289420, 397204, 461680, 496505, 578840, 794408, 993010, 1157680, 1588816, 1986020, 2879729, 3972040, 5759458, 7944080, 11518916, 14398645, 23037832, 28797290, 46075664, 57594580, 115189160, 230378320]

約数ペア:

[(1, 230378320), (2, 115189160), (4, 57594580), (5, 46075664), (8, 28797290), (10, 23037832), (16, 14398645), (20, 11518916), (29, 7944080), (40, 5759458), (58, 3972040), (80, 2879729), (116, 1986020), (145, 1588816), (199, 1157680), (232, 993010), (290, 794408), (398, 578840), (464, 496505), (499, 461680), (580, 397204), (796, 289420), (995, 231536), (998, 230840), (1160, 198602), (1592, 144710), (1990, 115768), (1996, 115420), (2320, 99301), (2495, 92336), (3184, 72355), (3980, 57884), (3992, 57710), (4990, 46168), (5771, 39920), (7960, 28942), (7984, 28855), (9980, 23084), (11542, 19960), (14471, 15920)]