2770235

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1$

素因数の和:167

約数の個数: 32

約数和(自身を含む): 3991680

約数和(自身を除く): 1221445

約数列:

[1, 5, 13, 17, 23, 65, 85, 109, 115, 221, 299, 391, 545, 1105, 1417, 1495, 1853, 1955, 2507, 5083, 7085, 9265, 12535, 24089, 25415, 32591, 42619, 120445, 162955, 213095, 554047, 2770235]

約数ペア:

[(1, 2770235), (5, 554047), (13, 213095), (17, 162955), (23, 120445), (65, 42619), (85, 32591), (109, 25415), (115, 24089), (221, 12535), (299, 9265), (391, 7085), (545, 5083), (1105, 2507), (1417, 1955), (1495, 1853)]