91002020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{14087}}^1$

素因数の和:14132

約数の個数: 48

約数和(自身を含む): 213010560

約数和(自身を除く): 122008540

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 323, 340, 380, 646, 1292, 1615, 3230, 6460, 14087, 28174, 56348, 70435, 140870, 239479, 267653, 281740, 478958, 535306, 957916, 1070612, 1197395, 1338265, 2394790, 2676530, 4550101, 4789580, 5353060, 9100202, 18200404, 22750505, 45501010, 91002020]

約数ペア:

[(1, 91002020), (2, 45501010), (4, 22750505), (5, 18200404), (10, 9100202), (17, 5353060), (19, 4789580), (20, 4550101), (34, 2676530), (38, 2394790), (68, 1338265), (76, 1197395), (85, 1070612), (95, 957916), (170, 535306), (190, 478958), (323, 281740), (340, 267653), (380, 239479), (646, 140870), (1292, 70435), (1615, 56348), (3230, 28174), (6460, 14087)]