421799650

素因数分解:

$2^1\times 5^2\times {\mathrm{97}}^1\times {\mathrm{86969}}^1$

素因数の和:87078

約数の個数: 24

約数和(自身を含む): 792644580

約数和(自身を除く): 370844930

約数列:

[1, 2, 5, 10, 25, 50, 97, 194, 485, 970, 2425, 4850, 86969, 173938, 434845, 869690, 2174225, 4348450, 8435993, 16871986, 42179965, 84359930, 210899825, 421799650]

約数ペア:

[(1, 421799650), (2, 210899825), (5, 84359930), (10, 42179965), (25, 16871986), (50, 8435993), (97, 4348450), (194, 2174225), (485, 869690), (970, 434845), (2425, 173938), (4850, 86969)]