400040116

素因数分解:

$2^2\times 7^2\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{743}}^1$

素因数の和:869

約数の個数: 72

約数和(自身を含む): 847820736

約数和(自身を除く): 447780620

約数列:

[1, 2, 4, 7, 14, 28, 41, 49, 67, 82, 98, 134, 164, 196, 268, 287, 469, 574, 743, 938, 1148, 1486, 1876, 2009, 2747, 2972, 3283, 4018, 5201, 5494, 6566, 8036, 10402, 10988, 13132, 19229, 20804, 30463, 36407, 38458, 49781, 60926, 72814, 76916, 99562, 121852, 134603, 145628, 199124, 213241, 269206, 348467, 426482, 538412, 696934, 852964, 1393868, 1492687, 2041021, 2439269, 2985374, 4082042, 4878538, 5970748, 8164084, 9757076, 14287147, 28574294, 57148588, 100010029, 200020058, 400040116]

約数ペア:

[(1, 400040116), (2, 200020058), (4, 100010029), (7, 57148588), (14, 28574294), (28, 14287147), (41, 9757076), (49, 8164084), (67, 5970748), (82, 4878538), (98, 4082042), (134, 2985374), (164, 2439269), (196, 2041021), (268, 1492687), (287, 1393868), (469, 852964), (574, 696934), (743, 538412), (938, 426482), (1148, 348467), (1486, 269206), (1876, 213241), (2009, 199124), (2747, 145628), (2972, 134603), (3283, 121852), (4018, 99562), (5201, 76916), (5494, 72814), (6566, 60926), (8036, 49781), (10402, 38458), (10988, 36407), (13132, 30463), (19229, 20804)]