127980710

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2887}}^1$

素因数の和:2949

約数の個数: 64

約数和(自身を含む): 279465984

約数和(自身を除く): 151485274

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 31, 55, 62, 65, 110, 130, 143, 155, 286, 310, 341, 403, 682, 715, 806, 1430, 1705, 2015, 2887, 3410, 4030, 4433, 5774, 8866, 14435, 22165, 28870, 31757, 37531, 44330, 63514, 75062, 89497, 158785, 178994, 187655, 317570, 375310, 412841, 447485, 825682, 894970, 984467, 1163461, 1968934, 2064205, 2326922, 4128410, 4922335, 5817305, 9844670, 11634610, 12798071, 25596142, 63990355, 127980710]

約数ペア:

[(1, 127980710), (2, 63990355), (5, 25596142), (10, 12798071), (11, 11634610), (13, 9844670), (22, 5817305), (26, 4922335), (31, 4128410), (55, 2326922), (62, 2064205), (65, 1968934), (110, 1163461), (130, 984467), (143, 894970), (155, 825682), (286, 447485), (310, 412841), (341, 375310), (403, 317570), (682, 187655), (715, 178994), (806, 158785), (1430, 89497), (1705, 75062), (2015, 63514), (2887, 44330), (3410, 37531), (4030, 31757), (4433, 28870), (5774, 22165), (8866, 14435)]