644300

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{379}}^1$

素因数の和:410

約数の個数: 36

約数和(自身を含む): 1484280

約数和(自身を除く): 839980

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 170, 340, 379, 425, 758, 850, 1516, 1700, 1895, 3790, 6443, 7580, 9475, 12886, 18950, 25772, 32215, 37900, 64430, 128860, 161075, 322150, 644300]

約数ペア:

[(1, 644300), (2, 322150), (4, 161075), (5, 128860), (10, 64430), (17, 37900), (20, 32215), (25, 25772), (34, 18950), (50, 12886), (68, 9475), (85, 7580), (100, 6443), (170, 3790), (340, 1895), (379, 1700), (425, 1516), (758, 850)]