988406180

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{47657}}^1$

素因数の和:47744

約数の個数: 48

約数和(自身を含む): 2233825776

約数和(自身を除く): 1245419596

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 61, 68, 85, 122, 170, 244, 305, 340, 610, 1037, 1220, 2074, 4148, 5185, 10370, 20740, 47657, 95314, 190628, 238285, 476570, 810169, 953140, 1620338, 2907077, 3240676, 4050845, 5814154, 8101690, 11628308, 14535385, 16203380, 29070770, 49420309, 58141540, 98840618, 197681236, 247101545, 494203090, 988406180]

約数ペア:

[(1, 988406180), (2, 494203090), (4, 247101545), (5, 197681236), (10, 98840618), (17, 58141540), (20, 49420309), (34, 29070770), (61, 16203380), (68, 14535385), (85, 11628308), (122, 8101690), (170, 5814154), (244, 4050845), (305, 3240676), (340, 2907077), (610, 1620338), (1037, 953140), (1220, 810169), (2074, 476570), (4148, 238285), (5185, 190628), (10370, 95314), (20740, 47657)]