209805165280

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{945409}}^1$

素因数の和:945516

約数の個数: 96

約数和(自身を含む): 528900170400

約数和(自身を除く): 319095005120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 73, 76, 80, 95, 146, 152, 160, 190, 292, 304, 365, 380, 584, 608, 730, 760, 1168, 1387, 1460, 1520, 2336, 2774, 2920, 3040, 5548, 5840, 6935, 11096, 11680, 13870, 22192, 27740, 44384, 55480, 110960, 221920, 945409, 1890818, 3781636, 4727045, 7563272, 9454090, 15126544, 17962771, 18908180, 30253088, 35925542, 37816360, 69014857, 71851084, 75632720, 89813855, 138029714, 143702168, 151265440, 179627710, 276059428, 287404336, 345074285, 359255420, 552118856, 574808672, 690148570, 718510840, 1104237712, 1311282283, 1380297140, 1437021680, 2208475424, 2622564566, 2760594280, 2874043360, 5245129132, 5521188560, 6556411415, 10490258264, 11042377120, 13112822830, 20980516528, 26225645660, 41961033056, 52451291320, 104902582640, 209805165280]

約数ペア:

[(1, 209805165280), (2, 104902582640), (4, 52451291320), (5, 41961033056), (8, 26225645660), (10, 20980516528), (16, 13112822830), (19, 11042377120), (20, 10490258264), (32, 6556411415), (38, 5521188560), (40, 5245129132), (73, 2874043360), (76, 2760594280), (80, 2622564566), (95, 2208475424), (146, 1437021680), (152, 1380297140), (160, 1311282283), (190, 1104237712), (292, 718510840), (304, 690148570), (365, 574808672), (380, 552118856), (584, 359255420), (608, 345074285), (730, 287404336), (760, 276059428), (1168, 179627710), (1387, 151265440), (1460, 143702168), (1520, 138029714), (2336, 89813855), (2774, 75632720), (2920, 71851084), (3040, 69014857), (5548, 37816360), (5840, 35925542), (6935, 30253088), (11096, 18908180), (11680, 17962771), (13870, 15126544), (22192, 9454090), (27740, 7563272), (44384, 4727045), (55480, 3781636), (110960, 1890818), (221920, 945409)]