189488780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{13751}}^1$

素因数の和:13826

約数の個数: 48

約数和(自身を含む): 436653504

約数和(自身を除く): 247164724

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 53, 65, 106, 130, 212, 260, 265, 530, 689, 1060, 1378, 2756, 3445, 6890, 13751, 13780, 27502, 55004, 68755, 137510, 178763, 275020, 357526, 715052, 728803, 893815, 1457606, 1787630, 2915212, 3575260, 3644015, 7288030, 9474439, 14576060, 18948878, 37897756, 47372195, 94744390, 189488780]

約数ペア:

[(1, 189488780), (2, 94744390), (4, 47372195), (5, 37897756), (10, 18948878), (13, 14576060), (20, 9474439), (26, 7288030), (52, 3644015), (53, 3575260), (65, 2915212), (106, 1787630), (130, 1457606), (212, 893815), (260, 728803), (265, 715052), (530, 357526), (689, 275020), (1060, 178763), (1378, 137510), (2756, 68755), (3445, 55004), (6890, 27502), (13751, 13780)]