49860440

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{25439}}^1$

素因数の和:25464

約数の個数: 48

約数和(自身を含む): 130507200

約数和(自身を除く): 80646760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 25439, 50878, 101756, 127195, 178073, 203512, 254390, 356146, 508780, 712292, 890365, 1017560, 1246511, 1424584, 1780730, 2493022, 3561460, 4986044, 6232555, 7122920, 9972088, 12465110, 24930220, 49860440]

約数ペア:

[(1, 49860440), (2, 24930220), (4, 12465110), (5, 9972088), (7, 7122920), (8, 6232555), (10, 4986044), (14, 3561460), (20, 2493022), (28, 1780730), (35, 1424584), (40, 1246511), (49, 1017560), (56, 890365), (70, 712292), (98, 508780), (140, 356146), (196, 254390), (245, 203512), (280, 178073), (392, 127195), (490, 101756), (980, 50878), (1960, 25439)]