202222250

素因数分解:

$2^1\times 5^3\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{181}}^1$

素因数の和:348

約数の個数: 64

約数和(自身を含む): 393513120

約数和(自身を除く): 191290870

約数列:

[1, 2, 5, 10, 25, 41, 50, 82, 109, 125, 181, 205, 218, 250, 362, 410, 545, 905, 1025, 1090, 1810, 2050, 2725, 4469, 4525, 5125, 5450, 7421, 8938, 9050, 10250, 13625, 14842, 19729, 22345, 22625, 27250, 37105, 39458, 44690, 45250, 74210, 98645, 111725, 185525, 197290, 223450, 371050, 493225, 558625, 808889, 927625, 986450, 1117250, 1617778, 1855250, 2466125, 4044445, 4932250, 8088890, 20222225, 40444450, 101111125, 202222250]

約数ペア:

[(1, 202222250), (2, 101111125), (5, 40444450), (10, 20222225), (25, 8088890), (41, 4932250), (50, 4044445), (82, 2466125), (109, 1855250), (125, 1617778), (181, 1117250), (205, 986450), (218, 927625), (250, 808889), (362, 558625), (410, 493225), (545, 371050), (905, 223450), (1025, 197290), (1090, 185525), (1810, 111725), (2050, 98645), (2725, 74210), (4469, 45250), (4525, 44690), (5125, 39458), (5450, 37105), (7421, 27250), (8938, 22625), (9050, 22345), (10250, 19729), (13625, 14842)]