520357816

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1$

素因数の和:221

約数の個数: 128

約数和(自身を含む): 1157068800

約数和(自身を除く): 636710984

約数列:

[1, 2, 4, 8, 11, 22, 31, 44, 53, 59, 61, 62, 88, 106, 118, 122, 124, 212, 236, 244, 248, 341, 424, 472, 488, 583, 649, 671, 682, 1166, 1298, 1342, 1364, 1643, 1829, 1891, 2332, 2596, 2684, 2728, 3127, 3233, 3286, 3599, 3658, 3782, 4664, 5192, 5368, 6254, 6466, 6572, 7198, 7316, 7564, 12508, 12932, 13144, 14396, 14632, 15128, 18073, 20119, 20801, 25016, 25864, 28792, 34397, 35563, 36146, 39589, 40238, 41602, 68794, 71126, 72292, 79178, 80476, 83204, 96937, 100223, 111569, 137588, 142252, 144584, 158356, 160952, 166408, 190747, 193874, 200446, 223138, 275176, 284504, 316712, 381494, 387748, 400892, 446276, 762988, 775496, 801784, 892552, 1066307, 1102453, 1227259, 1525976, 2098217, 2132614, 2204906, 2454518, 4196434, 4265228, 4409812, 4909036, 5913157, 8392868, 8530456, 8819624, 9818072, 11826314, 16785736, 23652628, 47305256, 65044727, 130089454, 260178908, 520357816]

約数ペア:

[(1, 520357816), (2, 260178908), (4, 130089454), (8, 65044727), (11, 47305256), (22, 23652628), (31, 16785736), (44, 11826314), (53, 9818072), (59, 8819624), (61, 8530456), (62, 8392868), (88, 5913157), (106, 4909036), (118, 4409812), (122, 4265228), (124, 4196434), (212, 2454518), (236, 2204906), (244, 2132614), (248, 2098217), (341, 1525976), (424, 1227259), (472, 1102453), (488, 1066307), (583, 892552), (649, 801784), (671, 775496), (682, 762988), (1166, 446276), (1298, 400892), (1342, 387748), (1364, 381494), (1643, 316712), (1829, 284504), (1891, 275176), (2332, 223138), (2596, 200446), (2684, 193874), (2728, 190747), (3127, 166408), (3233, 160952), (3286, 158356), (3599, 144584), (3658, 142252), (3782, 137588), (4664, 111569), (5192, 100223), (5368, 96937), (6254, 83204), (6466, 80476), (6572, 79178), (7198, 72292), (7316, 71126), (7564, 68794), (12508, 41602), (12932, 40238), (13144, 39589), (14396, 36146), (14632, 35563), (15128, 34397), (18073, 28792), (20119, 25864), (20801, 25016)]