100431380

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{102481}}^1$

素因数の和:102504

約数の個数: 36

約数和(自身を含む): 245341908

約数和(自身を除く): 144910528

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 102481, 204962, 409924, 512405, 717367, 1024810, 1434734, 2049620, 2869468, 3586835, 5021569, 7173670, 10043138, 14347340, 20086276, 25107845, 50215690, 100431380]

約数ペア:

[(1, 100431380), (2, 50215690), (4, 25107845), (5, 20086276), (7, 14347340), (10, 10043138), (14, 7173670), (20, 5021569), (28, 3586835), (35, 2869468), (49, 2049620), (70, 1434734), (98, 1024810), (140, 717367), (196, 512405), (245, 409924), (490, 204962), (980, 102481)]