123869140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{364321}}^1$

素因数の和:364347

約数の個数: 24

約数和(自身を含む): 275427432

約数和(自身を除く): 151558292

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 364321, 728642, 1457284, 1821605, 3643210, 6193457, 7286420, 12386914, 24773828, 30967285, 61934570, 123869140]

約数ペア:

[(1, 123869140), (2, 61934570), (4, 30967285), (5, 24773828), (10, 12386914), (17, 7286420), (20, 6193457), (34, 3643210), (68, 1821605), (85, 1457284), (170, 728642), (340, 364321)]