214975720

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{199}}^1\times {\mathrm{239}}^1$

素因数の和:562

約数の個数: 64

約数和(自身を含む): 492480000

約数和(自身を除く): 277504280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 199, 226, 239, 398, 452, 478, 565, 796, 904, 956, 995, 1130, 1195, 1592, 1912, 1990, 2260, 2390, 3980, 4520, 4780, 7960, 9560, 22487, 27007, 44974, 47561, 54014, 89948, 95122, 108028, 112435, 135035, 179896, 190244, 216056, 224870, 237805, 270070, 380488, 449740, 475610, 540140, 899480, 951220, 1080280, 1902440, 5374393, 10748786, 21497572, 26871965, 42995144, 53743930, 107487860, 214975720]

約数ペア:

[(1, 214975720), (2, 107487860), (4, 53743930), (5, 42995144), (8, 26871965), (10, 21497572), (20, 10748786), (40, 5374393), (113, 1902440), (199, 1080280), (226, 951220), (239, 899480), (398, 540140), (452, 475610), (478, 449740), (565, 380488), (796, 270070), (904, 237805), (956, 224870), (995, 216056), (1130, 190244), (1195, 179896), (1592, 135035), (1912, 112435), (1990, 108028), (2260, 95122), (2390, 89948), (3980, 54014), (4520, 47561), (4780, 44974), (7960, 27007), (9560, 22487)]