4890220

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{757}}^1$

素因数の和:802

約数の個数: 48

約数和(自身を含む): 11460960

約数和(自身を除く): 6570740

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 323, 340, 380, 646, 757, 1292, 1514, 1615, 3028, 3230, 3785, 6460, 7570, 12869, 14383, 15140, 25738, 28766, 51476, 57532, 64345, 71915, 128690, 143830, 244511, 257380, 287660, 489022, 978044, 1222555, 2445110, 4890220]

約数ペア:

[(1, 4890220), (2, 2445110), (4, 1222555), (5, 978044), (10, 489022), (17, 287660), (19, 257380), (20, 244511), (34, 143830), (38, 128690), (68, 71915), (76, 64345), (85, 57532), (95, 51476), (170, 28766), (190, 25738), (323, 15140), (340, 14383), (380, 12869), (646, 7570), (757, 6460), (1292, 3785), (1514, 3230), (1615, 3028)]