227500840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{812503}}^1$

素因数の和:812521

約数の個数: 32

約数和(自身を含む): 585002880

約数和(自身を除く): 357502040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 812503, 1625006, 3250012, 4062515, 5687521, 6500024, 8125030, 11375042, 16250060, 22750084, 28437605, 32500120, 45500168, 56875210, 113750420, 227500840]

約数ペア:

[(1, 227500840), (2, 113750420), (4, 56875210), (5, 45500168), (7, 32500120), (8, 28437605), (10, 22750084), (14, 16250060), (20, 11375042), (28, 8125030), (35, 6500024), (40, 5687521), (56, 4062515), (70, 3250012), (140, 1625006), (280, 812503)]