100020004

素因数分解:

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

素因数の和:632

約数の個数: 48

約数和(自身を含む): 205004800

約数和(自身を除く): 104984796

約数列:

[1, 2, 4, 7, 14, 28, 79, 103, 158, 206, 316, 412, 439, 553, 721, 878, 1106, 1442, 1756, 2212, 2884, 3073, 6146, 8137, 12292, 16274, 32548, 34681, 45217, 56959, 69362, 90434, 113918, 138724, 180868, 227836, 242767, 316519, 485534, 633038, 971068, 1266076, 3572143, 7144286, 14288572, 25005001, 50010002, 100020004]

約数ペア:

[(1, 100020004), (2, 50010002), (4, 25005001), (7, 14288572), (14, 7144286), (28, 3572143), (79, 1266076), (103, 971068), (158, 633038), (206, 485534), (316, 316519), (412, 242767), (439, 227836), (553, 180868), (721, 138724), (878, 113918), (1106, 90434), (1442, 69362), (1756, 56959), (2212, 45217), (2884, 34681), (3073, 32548), (6146, 16274), (8137, 12292)]