204907970

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{63439}}^1$

素因数の和:63482

約数の個数: 32

約数和(自身を含む): 411091200

約数和(自身を除く): 206183230

約数列:

[1, 2, 5, 10, 17, 19, 34, 38, 85, 95, 170, 190, 323, 646, 1615, 3230, 63439, 126878, 317195, 634390, 1078463, 1205341, 2156926, 2410682, 5392315, 6026705, 10784630, 12053410, 20490797, 40981594, 102453985, 204907970]

約数ペア:

[(1, 204907970), (2, 102453985), (5, 40981594), (10, 20490797), (17, 12053410), (19, 10784630), (34, 6026705), (38, 5392315), (85, 2410682), (95, 2156926), (170, 1205341), (190, 1078463), (323, 634390), (646, 317195), (1615, 126878), (3230, 63439)]