207830075

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{2221}}^1$

素因数の和:2447

約数の個数: 24

約数和(自身を含む): 272772720

約数和(自身を除く): 64942645

約数列:

[1, 5, 19, 25, 95, 197, 475, 985, 2221, 3743, 4925, 11105, 18715, 42199, 55525, 93575, 210995, 437537, 1054975, 2187685, 8313203, 10938425, 41566015, 207830075]

約数ペア:

[(1, 207830075), (5, 41566015), (19, 10938425), (25, 8313203), (95, 2187685), (197, 1054975), (475, 437537), (985, 210995), (2221, 93575), (3743, 55525), (4925, 42199), (11105, 18715)]