208102780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{612067}}^1$

素因数の和:612093

約数の個数: 24

約数和(自身を含む): 462723408

約数和(自身を除く): 254620628

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 612067, 1224134, 2448268, 3060335, 6120670, 10405139, 12241340, 20810278, 41620556, 52025695, 104051390, 208102780]

約数ペア:

[(1, 208102780), (2, 104051390), (4, 52025695), (5, 41620556), (10, 20810278), (17, 12241340), (20, 10405139), (34, 6120670), (68, 3060335), (85, 2448268), (170, 1224134), (340, 612067)]