902020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{379}}^1$

素因数の和:412

約数の個数: 48

約数和(自身を含む): 2298240

約数和(自身を除く): 1396220

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 379, 476, 595, 758, 1190, 1516, 1895, 2380, 2653, 3790, 5306, 6443, 7580, 10612, 12886, 13265, 25772, 26530, 32215, 45101, 53060, 64430, 90202, 128860, 180404, 225505, 451010, 902020]

約数ペア:

[(1, 902020), (2, 451010), (4, 225505), (5, 180404), (7, 128860), (10, 90202), (14, 64430), (17, 53060), (20, 45101), (28, 32215), (34, 26530), (35, 25772), (68, 13265), (70, 12886), (85, 10612), (119, 7580), (140, 6443), (170, 5306), (238, 3790), (340, 2653), (379, 2380), (476, 1895), (595, 1516), (758, 1190)]