191802760

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{90473}}^1$

素因数の和:90537

約数の個数: 32

約数和(自身を含む): 439703640

約数和(自身を除く): 247900880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 90473, 180946, 361892, 452365, 723784, 904730, 1809460, 3618920, 4795069, 9590138, 19180276, 23975345, 38360552, 47950690, 95901380, 191802760]

約数ペア:

[(1, 191802760), (2, 95901380), (4, 47950690), (5, 38360552), (8, 23975345), (10, 19180276), (20, 9590138), (40, 4795069), (53, 3618920), (106, 1809460), (212, 904730), (265, 723784), (424, 452365), (530, 361892), (1060, 180946), (2120, 90473)]