311070830

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{163}}^1\times {\mathrm{199}}^1$

素因数の和:513

約数の個数: 64

約数和(自身を含む): 651801600

約数和(自身を除く): 340730770

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 137, 163, 199, 274, 326, 398, 685, 815, 959, 995, 1141, 1370, 1393, 1630, 1918, 1990, 2282, 2786, 4795, 5705, 6965, 9590, 11410, 13930, 22331, 27263, 32437, 44662, 54526, 64874, 111655, 136315, 156317, 162185, 190841, 223310, 227059, 272630, 312634, 324370, 381682, 454118, 781585, 954205, 1135295, 1563170, 1908410, 2270590, 4443869, 8887738, 22219345, 31107083, 44438690, 62214166, 155535415, 311070830]

約数ペア:

[(1, 311070830), (2, 155535415), (5, 62214166), (7, 44438690), (10, 31107083), (14, 22219345), (35, 8887738), (70, 4443869), (137, 2270590), (163, 1908410), (199, 1563170), (274, 1135295), (326, 954205), (398, 781585), (685, 454118), (815, 381682), (959, 324370), (995, 312634), (1141, 272630), (1370, 227059), (1393, 223310), (1630, 190841), (1918, 162185), (1990, 156317), (2282, 136315), (2786, 111655), (4795, 64874), (5705, 54526), (6965, 44662), (9590, 32437), (11410, 27263), (13930, 22331)]