217202350

素因数分解:

$2^1\times 5^2\times {\mathrm{197}}^1\times {\mathrm{22051}}^1$

素因数の和:22260

約数の個数: 24

約数和(自身を含む): 406065528

約数和(自身を除く): 188863178

約数列:

[1, 2, 5, 10, 25, 50, 197, 394, 985, 1970, 4925, 9850, 22051, 44102, 110255, 220510, 551275, 1102550, 4344047, 8688094, 21720235, 43440470, 108601175, 217202350]

約数ペア:

[(1, 217202350), (2, 108601175), (5, 43440470), (10, 21720235), (25, 8688094), (50, 4344047), (197, 1102550), (394, 551275), (985, 220510), (1970, 110255), (4925, 44102), (9850, 22051)]