400295364

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{157}}^1\times {\mathrm{239}}^1$

素因数の和:537

約数の個数: 96

約数和(自身を含む): 1087242240

約数和(自身を除く): 686946876

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 127, 157, 239, 254, 314, 381, 471, 478, 508, 628, 717, 762, 889, 942, 956, 1099, 1434, 1524, 1673, 1778, 1884, 2198, 2667, 2868, 3297, 3346, 3556, 4396, 5019, 5334, 6594, 6692, 10038, 10668, 13188, 19939, 20076, 30353, 37523, 39878, 59817, 60706, 75046, 79756, 91059, 112569, 119634, 121412, 139573, 150092, 182118, 212471, 225138, 239268, 262661, 279146, 364236, 418719, 424942, 450276, 525322, 558292, 637413, 787983, 837438, 849884, 1050644, 1274826, 1575966, 1674876, 2549652, 3151932, 4765421, 9530842, 14296263, 19061684, 28592526, 33357947, 57185052, 66715894, 100073841, 133431788, 200147682, 400295364]

約数ペア:

[(1, 400295364), (2, 200147682), (3, 133431788), (4, 100073841), (6, 66715894), (7, 57185052), (12, 33357947), (14, 28592526), (21, 19061684), (28, 14296263), (42, 9530842), (84, 4765421), (127, 3151932), (157, 2549652), (239, 1674876), (254, 1575966), (314, 1274826), (381, 1050644), (471, 849884), (478, 837438), (508, 787983), (628, 637413), (717, 558292), (762, 525322), (889, 450276), (942, 424942), (956, 418719), (1099, 364236), (1434, 279146), (1524, 262661), (1673, 239268), (1778, 225138), (1884, 212471), (2198, 182118), (2667, 150092), (2868, 139573), (3297, 121412), (3346, 119634), (3556, 112569), (4396, 91059), (5019, 79756), (5334, 75046), (6594, 60706), (6692, 59817), (10038, 39878), (10668, 37523), (13188, 30353), (19939, 20076)]