131277740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{3191}}^1$

素因数の和:3239

約数の個数: 72

約数和(自身を含む): 320949216

約数和(自身を除く): 189671476

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 121, 170, 187, 220, 242, 340, 374, 484, 605, 748, 935, 1210, 1870, 2057, 2420, 3191, 3740, 4114, 6382, 8228, 10285, 12764, 15955, 20570, 31910, 35101, 41140, 54247, 63820, 70202, 108494, 140404, 175505, 216988, 271235, 351010, 386111, 542470, 596717, 702020, 772222, 1084940, 1193434, 1544444, 1930555, 2386868, 2983585, 3861110, 5967170, 6563887, 7722220, 11934340, 13127774, 26255548, 32819435, 65638870, 131277740]

約数ペア:

[(1, 131277740), (2, 65638870), (4, 32819435), (5, 26255548), (10, 13127774), (11, 11934340), (17, 7722220), (20, 6563887), (22, 5967170), (34, 3861110), (44, 2983585), (55, 2386868), (68, 1930555), (85, 1544444), (110, 1193434), (121, 1084940), (170, 772222), (187, 702020), (220, 596717), (242, 542470), (340, 386111), (374, 351010), (484, 271235), (605, 216988), (748, 175505), (935, 140404), (1210, 108494), (1870, 70202), (2057, 63820), (2420, 54247), (3191, 41140), (3740, 35101), (4114, 31910), (6382, 20570), (8228, 15955), (10285, 12764)]