199945150

素因数分解:

$2^1\times 5^2\times {\mathrm{53}}^1\times {\mathrm{197}}^1\times {\mathrm{383}}^1$

素因数の和:645

約数の個数: 48

約数和(自身を含む): 381832704

約数和(自身を除く): 181887554

約数列:

[1, 2, 5, 10, 25, 50, 53, 106, 197, 265, 383, 394, 530, 766, 985, 1325, 1915, 1970, 2650, 3830, 4925, 9575, 9850, 10441, 19150, 20299, 20882, 40598, 52205, 75451, 101495, 104410, 150902, 202990, 261025, 377255, 507475, 522050, 754510, 1014950, 1886275, 3772550, 3998903, 7997806, 19994515, 39989030, 99972575, 199945150]

約数ペア:

[(1, 199945150), (2, 99972575), (5, 39989030), (10, 19994515), (25, 7997806), (50, 3998903), (53, 3772550), (106, 1886275), (197, 1014950), (265, 754510), (383, 522050), (394, 507475), (530, 377255), (766, 261025), (985, 202990), (1325, 150902), (1915, 104410), (1970, 101495), (2650, 75451), (3830, 52205), (4925, 40598), (9575, 20882), (9850, 20299), (10441, 19150)]