210899195

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{103}}^1\times {\mathrm{109}}^1$

素因数の和:264

約数の個数: 48

約数和(自身を含む): 295014720

約数和(自身を除く): 84115525

約数列:

[1, 5, 13, 17, 65, 85, 103, 109, 221, 289, 515, 545, 1105, 1339, 1417, 1445, 1751, 1853, 3757, 6695, 7085, 8755, 9265, 11227, 18785, 22763, 24089, 29767, 31501, 56135, 113815, 120445, 145951, 148835, 157505, 190859, 386971, 409513, 729755, 954295, 1934855, 2047565, 2481167, 3244603, 12405835, 16223015, 42179839, 210899195]

約数ペア:

[(1, 210899195), (5, 42179839), (13, 16223015), (17, 12405835), (65, 3244603), (85, 2481167), (103, 2047565), (109, 1934855), (221, 954295), (289, 729755), (515, 409513), (545, 386971), (1105, 190859), (1339, 157505), (1417, 148835), (1445, 145951), (1751, 120445), (1853, 113815), (3757, 56135), (6695, 31501), (7085, 29767), (8755, 24089), (9265, 22763), (11227, 18785)]