245718100

素因数分解:

$2^2\times 5^2\times {\mathrm{197}}^1\times {\mathrm{12473}}^1$

素因数の和:12684

約数の個数: 36

約数和(自身を含む): 535957884

約数和(自身を除く): 290239784

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 197, 394, 788, 985, 1970, 3940, 4925, 9850, 12473, 19700, 24946, 49892, 62365, 124730, 249460, 311825, 623650, 1247300, 2457181, 4914362, 9828724, 12285905, 24571810, 49143620, 61429525, 122859050, 245718100]

約数ペア:

[(1, 245718100), (2, 122859050), (4, 61429525), (5, 49143620), (10, 24571810), (20, 12285905), (25, 9828724), (50, 4914362), (100, 2457181), (197, 1247300), (394, 623650), (788, 311825), (985, 249460), (1970, 124730), (3940, 62365), (4925, 49892), (9850, 24946), (12473, 19700)]