221245550

素因数分解:

$2^1\times 5^2\times {\mathrm{101}}^1\times {\mathrm{193}}^1\times {\mathrm{227}}^1$

素因数の和:533

約数の個数: 48

約数和(自身を含む): 419584752

約数和(自身を除く): 198339202

約数列:

[1, 2, 5, 10, 25, 50, 101, 193, 202, 227, 386, 454, 505, 965, 1010, 1135, 1930, 2270, 2525, 4825, 5050, 5675, 9650, 11350, 19493, 22927, 38986, 43811, 45854, 87622, 97465, 114635, 194930, 219055, 229270, 438110, 487325, 573175, 974650, 1095275, 1146350, 2190550, 4424911, 8849822, 22124555, 44249110, 110622775, 221245550]

約数ペア:

[(1, 221245550), (2, 110622775), (5, 44249110), (10, 22124555), (25, 8849822), (50, 4424911), (101, 2190550), (193, 1146350), (202, 1095275), (227, 974650), (386, 573175), (454, 487325), (505, 438110), (965, 229270), (1010, 219055), (1135, 194930), (1930, 114635), (2270, 97465), (2525, 87622), (4825, 45854), (5050, 43811), (5675, 38986), (9650, 22927), (11350, 19493)]