139052020

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{302287}}^1$

素因数の和:302319

約数の個数: 24

約数和(自身を含む): 304706304

約数和(自身を除く): 165654284

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 302287, 604574, 1209148, 1511435, 3022870, 6045740, 6952601, 13905202, 27810404, 34763005, 69526010, 139052020]

約数ペア:

[(1, 139052020), (2, 69526010), (4, 34763005), (5, 27810404), (10, 13905202), (20, 6952601), (23, 6045740), (46, 3022870), (92, 1511435), (115, 1209148), (230, 604574), (460, 302287)]