257469390

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{2860771}}^1$

素因数の和:2860784

約数の個数: 24

約数和(自身を含む): 669420648

約数和(自身を除く): 411951258

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 2860771, 5721542, 8582313, 14303855, 17164626, 25746939, 28607710, 42911565, 51493878, 85823130, 128734695, 257469390]

約数ペア:

[(1, 257469390), (2, 128734695), (3, 85823130), (5, 51493878), (6, 42911565), (9, 28607710), (10, 25746939), (15, 17164626), (18, 14303855), (30, 8582313), (45, 5721542), (90, 2860771)]