129408580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{40189}}^1$

素因数の和:40228

約数の個数: 48

約数和(自身を含む): 324092160

約数和(自身を除く): 194683580

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 40189, 80378, 160756, 200945, 281323, 401890, 562646, 803780, 924347, 1125292, 1406615, 1848694, 2813230, 3697388, 4621735, 5626460, 6470429, 9243470, 12940858, 18486940, 25881716, 32352145, 64704290, 129408580]

約数ペア:

[(1, 129408580), (2, 64704290), (4, 32352145), (5, 25881716), (7, 18486940), (10, 12940858), (14, 9243470), (20, 6470429), (23, 5626460), (28, 4621735), (35, 3697388), (46, 2813230), (70, 1848694), (92, 1406615), (115, 1125292), (140, 924347), (161, 803780), (230, 562646), (322, 401890), (460, 281323), (644, 200945), (805, 160756), (1610, 80378), (3220, 40189)]