200040008

素因数分解:

$2^3\times 7^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1\times {\mathrm{439}}^1$

素因数の和:634

約数の個数: 64

約数和(自身を含む): 439296000

約数和(自身を除く): 239255992

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 79, 103, 158, 206, 316, 412, 439, 553, 632, 721, 824, 878, 1106, 1442, 1756, 2212, 2884, 3073, 3512, 4424, 5768, 6146, 8137, 12292, 16274, 24584, 32548, 34681, 45217, 56959, 65096, 69362, 90434, 113918, 138724, 180868, 227836, 242767, 277448, 316519, 361736, 455672, 485534, 633038, 971068, 1266076, 1942136, 2532152, 3572143, 7144286, 14288572, 25005001, 28577144, 50010002, 100020004, 200040008]

約数ペア:

[(1, 200040008), (2, 100020004), (4, 50010002), (7, 28577144), (8, 25005001), (14, 14288572), (28, 7144286), (56, 3572143), (79, 2532152), (103, 1942136), (158, 1266076), (206, 971068), (316, 633038), (412, 485534), (439, 455672), (553, 361736), (632, 316519), (721, 277448), (824, 242767), (878, 227836), (1106, 180868), (1442, 138724), (1756, 113918), (2212, 90434), (2884, 69362), (3073, 65096), (3512, 56959), (4424, 45217), (5768, 34681), (6146, 32548), (8137, 24584), (12292, 16274)]