205258030

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{167}}^1\times {\mathrm{1381}}^1$

素因数の和:1644

約数の個数: 32

約数和(自身を含む): 376125120

約数和(自身を除く): 170867090

約数列:

[1, 2, 5, 10, 89, 167, 178, 334, 445, 835, 890, 1381, 1670, 2762, 6905, 13810, 14863, 29726, 74315, 122909, 148630, 230627, 245818, 461254, 614545, 1153135, 1229090, 2306270, 20525803, 41051606, 102629015, 205258030]

約数ペア:

[(1, 205258030), (2, 102629015), (5, 41051606), (10, 20525803), (89, 2306270), (167, 1229090), (178, 1153135), (334, 614545), (445, 461254), (835, 245818), (890, 230627), (1381, 148630), (1670, 122909), (2762, 74315), (6905, 29726), (13810, 14863)]