399071728

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{349}}^1$

素因数の和:530

約数の個数: 80

約数和(自身を含む): 867132000

約数和(自身を除く): 468060272

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 73, 88, 89, 146, 176, 178, 292, 349, 356, 584, 698, 712, 803, 979, 1168, 1396, 1424, 1606, 1958, 2792, 3212, 3839, 3916, 5584, 6424, 6497, 7678, 7832, 12848, 12994, 15356, 15664, 25477, 25988, 30712, 31061, 50954, 51976, 61424, 62122, 71467, 101908, 103952, 124244, 142934, 203816, 248488, 280247, 285868, 341671, 407632, 496976, 560494, 571736, 683342, 1120988, 1143472, 1366684, 2241976, 2267453, 2733368, 4483952, 4534906, 5466736, 9069812, 18139624, 24941983, 36279248, 49883966, 99767932, 199535864, 399071728]

約数ペア:

[(1, 399071728), (2, 199535864), (4, 99767932), (8, 49883966), (11, 36279248), (16, 24941983), (22, 18139624), (44, 9069812), (73, 5466736), (88, 4534906), (89, 4483952), (146, 2733368), (176, 2267453), (178, 2241976), (292, 1366684), (349, 1143472), (356, 1120988), (584, 683342), (698, 571736), (712, 560494), (803, 496976), (979, 407632), (1168, 341671), (1396, 285868), (1424, 280247), (1606, 248488), (1958, 203816), (2792, 142934), (3212, 124244), (3839, 103952), (3916, 101908), (5584, 71467), (6424, 62122), (6497, 61424), (7678, 51976), (7832, 50954), (12848, 31061), (12994, 30712), (15356, 25988), (15664, 25477)]