419380640

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{374447}}^1$

素因数の和:374469

約数の個数: 48

約数和(自身を含む): 1132330752

約数和(自身を除く): 712950112

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 374447, 748894, 1497788, 1872235, 2621129, 2995576, 3744470, 5242258, 5991152, 7488940, 10484516, 11982304, 13105645, 14977880, 20969032, 26211290, 29955760, 41938064, 52422580, 59911520, 83876128, 104845160, 209690320, 419380640]

約数ペア:

[(1, 419380640), (2, 209690320), (4, 104845160), (5, 83876128), (7, 59911520), (8, 52422580), (10, 41938064), (14, 29955760), (16, 26211290), (20, 20969032), (28, 14977880), (32, 13105645), (35, 11982304), (40, 10484516), (56, 7488940), (70, 5991152), (80, 5242258), (112, 3744470), (140, 2995576), (160, 2621129), (224, 1872235), (280, 1497788), (560, 748894), (1120, 374447)]