284920

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{419}}^1$

素因数の和:447

約数の個数: 32

約数和(自身を含む): 680400

約数和(自身を除く): 395480

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 419, 680, 838, 1676, 2095, 3352, 4190, 7123, 8380, 14246, 16760, 28492, 35615, 56984, 71230, 142460, 284920]

約数ペア:

[(1, 284920), (2, 142460), (4, 71230), (5, 56984), (8, 35615), (10, 28492), (17, 16760), (20, 14246), (34, 8380), (40, 7123), (68, 4190), (85, 3352), (136, 2095), (170, 1676), (340, 838), (419, 680)]