204132890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{6857}}^1$

素因数の和:7106

約数の個数: 32

約数和(自身を含む): 397489680

約数和(自身を除く): 193356790

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 229, 458, 1145, 2290, 2977, 5954, 6857, 13714, 14885, 29770, 34285, 68570, 89141, 178282, 445705, 891410, 1570253, 3140506, 7851265, 15702530, 20413289, 40826578, 102066445, 204132890]

約数ペア:

[(1, 204132890), (2, 102066445), (5, 40826578), (10, 20413289), (13, 15702530), (26, 7851265), (65, 3140506), (130, 1570253), (229, 891410), (458, 445705), (1145, 178282), (2290, 89141), (2977, 68570), (5954, 34285), (6857, 29770), (13714, 14885)]