179405420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{31039}}^1$

素因数の和:31082

約数の個数: 36

約数和(自身を含む): 400229760

約数和(自身を除く): 220824340

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 289, 340, 578, 1156, 1445, 2890, 5780, 31039, 62078, 124156, 155195, 310390, 527663, 620780, 1055326, 2110652, 2638315, 5276630, 8970271, 10553260, 17940542, 35881084, 44851355, 89702710, 179405420]

約数ペア:

[(1, 179405420), (2, 89702710), (4, 44851355), (5, 35881084), (10, 17940542), (17, 10553260), (20, 8970271), (34, 5276630), (68, 2638315), (85, 2110652), (170, 1055326), (289, 620780), (340, 527663), (578, 310390), (1156, 155195), (1445, 124156), (2890, 62078), (5780, 31039)]