68020876

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{1181}}^1$

素因数の和:1231

約数の個数: 72

約数和(自身を含む): 158463648

約数和(自身を除く): 90442772

約数列:

[1, 2, 4, 7, 11, 14, 17, 22, 28, 34, 44, 68, 77, 119, 121, 154, 187, 238, 242, 308, 374, 476, 484, 748, 847, 1181, 1309, 1694, 2057, 2362, 2618, 3388, 4114, 4724, 5236, 8228, 8267, 12991, 14399, 16534, 20077, 25982, 28798, 33068, 40154, 51964, 57596, 80308, 90937, 140539, 142901, 181874, 220847, 281078, 285802, 363748, 441694, 562156, 571604, 883388, 1000307, 1545929, 2000614, 2429317, 3091858, 4001228, 4858634, 6183716, 9717268, 17005219, 34010438, 68020876]

約数ペア:

[(1, 68020876), (2, 34010438), (4, 17005219), (7, 9717268), (11, 6183716), (14, 4858634), (17, 4001228), (22, 3091858), (28, 2429317), (34, 2000614), (44, 1545929), (68, 1000307), (77, 883388), (119, 571604), (121, 562156), (154, 441694), (187, 363748), (238, 285802), (242, 281078), (308, 220847), (374, 181874), (476, 142901), (484, 140539), (748, 90937), (847, 80308), (1181, 57596), (1309, 51964), (1694, 40154), (2057, 33068), (2362, 28798), (2618, 25982), (3388, 20077), (4114, 16534), (4724, 14399), (5236, 12991), (8228, 8267)]