207921380

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{2879}}^1$

素因数の和:3068

約数の個数: 48

約数和(自身を含む): 458680320

約数和(自身を除く): 250758940

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 157, 230, 314, 460, 628, 785, 1570, 2879, 3140, 3611, 5758, 7222, 11516, 14395, 14444, 18055, 28790, 36110, 57580, 66217, 72220, 132434, 264868, 331085, 452003, 662170, 904006, 1324340, 1808012, 2260015, 4520030, 9040060, 10396069, 20792138, 41584276, 51980345, 103960690, 207921380]

約数ペア:

[(1, 207921380), (2, 103960690), (4, 51980345), (5, 41584276), (10, 20792138), (20, 10396069), (23, 9040060), (46, 4520030), (92, 2260015), (115, 1808012), (157, 1324340), (230, 904006), (314, 662170), (460, 452003), (628, 331085), (785, 264868), (1570, 132434), (2879, 72220), (3140, 66217), (3611, 57580), (5758, 36110), (7222, 28790), (11516, 18055), (14395, 14444)]