420486530

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{12227}}^1$

素因数の和:12434

約数の個数: 32

約数和(自身を含む): 801178560

約数和(自身を除く): 380692030

約数列:

[1, 2, 5, 10, 19, 38, 95, 181, 190, 362, 905, 1810, 3439, 6878, 12227, 17195, 24454, 34390, 61135, 122270, 232313, 464626, 1161565, 2213087, 2323130, 4426174, 11065435, 22130870, 42048653, 84097306, 210243265, 420486530]

約数ペア:

[(1, 420486530), (2, 210243265), (5, 84097306), (10, 42048653), (19, 22130870), (38, 11065435), (95, 4426174), (181, 2323130), (190, 2213087), (362, 1161565), (905, 464626), (1810, 232313), (3439, 122270), (6878, 61135), (12227, 34390), (17195, 24454)]