28944440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{167}}^1\times {\mathrm{619}}^1$

素因数の和:804

約数の個数: 64

約数和(自身を含む): 74995200

約数和(自身を除く): 46050760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 167, 280, 334, 619, 668, 835, 1169, 1238, 1336, 1670, 2338, 2476, 3095, 3340, 4333, 4676, 4952, 5845, 6190, 6680, 8666, 9352, 11690, 12380, 17332, 21665, 23380, 24760, 34664, 43330, 46760, 86660, 103373, 173320, 206746, 413492, 516865, 723611, 826984, 1033730, 1447222, 2067460, 2894444, 3618055, 4134920, 5788888, 7236110, 14472220, 28944440]

約数ペア:

[(1, 28944440), (2, 14472220), (4, 7236110), (5, 5788888), (7, 4134920), (8, 3618055), (10, 2894444), (14, 2067460), (20, 1447222), (28, 1033730), (35, 826984), (40, 723611), (56, 516865), (70, 413492), (140, 206746), (167, 173320), (280, 103373), (334, 86660), (619, 46760), (668, 43330), (835, 34664), (1169, 24760), (1238, 23380), (1336, 21665), (1670, 17332), (2338, 12380), (2476, 11690), (3095, 9352), (3340, 8666), (4333, 6680), (4676, 6190), (4952, 5845)]