28297900

素因数分解:

$2^2\times 5^2\times {\mathrm{61}}^1\times {\mathrm{4639}}^1$

素因数の和:4714

約数の個数: 36

約数和(自身を含む): 62426560

約数和(自身を除く): 34128660

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 61, 100, 122, 244, 305, 610, 1220, 1525, 3050, 4639, 6100, 9278, 18556, 23195, 46390, 92780, 115975, 231950, 282979, 463900, 565958, 1131916, 1414895, 2829790, 5659580, 7074475, 14148950, 28297900]

約数ペア:

[(1, 28297900), (2, 14148950), (4, 7074475), (5, 5659580), (10, 2829790), (20, 1414895), (25, 1131916), (50, 565958), (61, 463900), (100, 282979), (122, 231950), (244, 115975), (305, 92780), (610, 46390), (1220, 23195), (1525, 18556), (3050, 9278), (4639, 6100)]