257788230

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{1227563}}^1$

素因数の和:1227580

約数の個数: 32

約数和(自身を含む): 707076864

約数和(自身を除く): 449288634

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 1227563, 2455126, 3682689, 6137815, 7365378, 8592941, 12275630, 17185882, 18413445, 25778823, 36826890, 42964705, 51557646, 85929410, 128894115, 257788230]

約数ペア:

[(1, 257788230), (2, 128894115), (3, 85929410), (5, 51557646), (6, 42964705), (7, 36826890), (10, 25778823), (14, 18413445), (15, 17185882), (21, 12275630), (30, 8592941), (35, 7365378), (42, 6137815), (70, 3682689), (105, 2455126), (210, 1227563)]