178829360

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{199}}^1\times {\mathrm{239}}^1$

素因数の和:498

約数の個数: 80

約数和(自身を含む): 428544000

約数和(自身を除く): 249714640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 188, 199, 235, 239, 376, 398, 470, 478, 752, 796, 940, 956, 995, 1195, 1592, 1880, 1912, 1990, 2390, 3184, 3760, 3824, 3980, 4780, 7960, 9353, 9560, 11233, 15920, 18706, 19120, 22466, 37412, 44932, 46765, 47561, 56165, 74824, 89864, 93530, 95122, 112330, 149648, 179728, 187060, 190244, 224660, 237805, 374120, 380488, 449320, 475610, 748240, 760976, 898640, 951220, 1902440, 2235367, 3804880, 4470734, 8941468, 11176835, 17882936, 22353670, 35765872, 44707340, 89414680, 178829360]

約数ペア:

[(1, 178829360), (2, 89414680), (4, 44707340), (5, 35765872), (8, 22353670), (10, 17882936), (16, 11176835), (20, 8941468), (40, 4470734), (47, 3804880), (80, 2235367), (94, 1902440), (188, 951220), (199, 898640), (235, 760976), (239, 748240), (376, 475610), (398, 449320), (470, 380488), (478, 374120), (752, 237805), (796, 224660), (940, 190244), (956, 187060), (995, 179728), (1195, 149648), (1592, 112330), (1880, 95122), (1912, 93530), (1990, 89864), (2390, 74824), (3184, 56165), (3760, 47561), (3824, 46765), (3980, 44932), (4780, 37412), (7960, 22466), (9353, 19120), (9560, 18706), (11233, 15920)]