400429984

素因数分解:

$2^5\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{2663}}^1$

素因数の和:2837

約数の個数: 48

約数和(自身を含む): 816334848

約数和(自身を除く): 415904864

約数列:

[1, 2, 4, 8, 16, 32, 37, 74, 127, 148, 254, 296, 508, 592, 1016, 1184, 2032, 2663, 4064, 4699, 5326, 9398, 10652, 18796, 21304, 37592, 42608, 75184, 85216, 98531, 150368, 197062, 338201, 394124, 676402, 788248, 1352804, 1576496, 2705608, 3152992, 5411216, 10822432, 12513437, 25026874, 50053748, 100107496, 200214992, 400429984]

約数ペア:

[(1, 400429984), (2, 200214992), (4, 100107496), (8, 50053748), (16, 25026874), (32, 12513437), (37, 10822432), (74, 5411216), (127, 3152992), (148, 2705608), (254, 1576496), (296, 1352804), (508, 788248), (592, 676402), (1016, 394124), (1184, 338201), (2032, 197062), (2663, 150368), (4064, 98531), (4699, 85216), (5326, 75184), (9398, 42608), (10652, 37592), (18796, 21304)]