197979480

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{549943}}^1$

素因数の和:549960

約数の個数: 48

約数和(自身を含む): 643434480

約数和(自身を除く): 445455000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 549943, 1099886, 1649829, 2199772, 2749715, 3299658, 4399544, 4949487, 5499430, 6599316, 8249145, 9898974, 10998860, 13198632, 16498290, 19797948, 21997720, 24747435, 32996580, 39595896, 49494870, 65993160, 98989740, 197979480]

約数ペア:

[(1, 197979480), (2, 98989740), (3, 65993160), (4, 49494870), (5, 39595896), (6, 32996580), (8, 24747435), (9, 21997720), (10, 19797948), (12, 16498290), (15, 13198632), (18, 10998860), (20, 9898974), (24, 8249145), (30, 6599316), (36, 5499430), (40, 4949487), (45, 4399544), (60, 3299658), (72, 2749715), (90, 2199772), (120, 1649829), (180, 1099886), (360, 549943)]