440821136

素因数分解:

$2^4\times 7^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1\times {\mathrm{571}}^1$

素因数の和:760

約数の個数: 80

約数和(自身を含む): 1002638208

約数和(自身を除く): 561817072

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 61, 112, 113, 122, 226, 244, 427, 452, 488, 571, 791, 854, 904, 976, 1142, 1582, 1708, 1808, 2284, 3164, 3416, 3997, 4568, 6328, 6832, 6893, 7994, 9136, 12656, 13786, 15988, 27572, 31976, 34831, 48251, 55144, 63952, 64523, 69662, 96502, 110288, 129046, 139324, 193004, 243817, 258092, 278648, 386008, 451661, 487634, 516184, 557296, 772016, 903322, 975268, 1032368, 1806644, 1950536, 3613288, 3901072, 3935903, 7226576, 7871806, 15743612, 27551321, 31487224, 55102642, 62974448, 110205284, 220410568, 440821136]

約数ペア:

[(1, 440821136), (2, 220410568), (4, 110205284), (7, 62974448), (8, 55102642), (14, 31487224), (16, 27551321), (28, 15743612), (56, 7871806), (61, 7226576), (112, 3935903), (113, 3901072), (122, 3613288), (226, 1950536), (244, 1806644), (427, 1032368), (452, 975268), (488, 903322), (571, 772016), (791, 557296), (854, 516184), (904, 487634), (976, 451661), (1142, 386008), (1582, 278648), (1708, 258092), (1808, 243817), (2284, 193004), (3164, 139324), (3416, 129046), (3997, 110288), (4568, 96502), (6328, 69662), (6832, 64523), (6893, 63952), (7994, 55144), (9136, 48251), (12656, 34831), (13786, 31976), (15988, 27572)]