143048440

素因数分解:

$2^3\times 5^1\times {\mathrm{1789}}^1\times {\mathrm{1999}}^1$

素因数の和:3799

約数の個数: 32

約数和(自身を含む): 322200000

約数和(自身を除く): 179151560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1789, 1999, 3578, 3998, 7156, 7996, 8945, 9995, 14312, 15992, 17890, 19990, 35780, 39980, 71560, 79960, 3576211, 7152422, 14304844, 17881055, 28609688, 35762110, 71524220, 143048440]

約数ペア:

[(1, 143048440), (2, 71524220), (4, 35762110), (5, 28609688), (8, 17881055), (10, 14304844), (20, 7152422), (40, 3576211), (1789, 79960), (1999, 71560), (3578, 39980), (3998, 35780), (7156, 19990), (7996, 17890), (8945, 15992), (9995, 14312)]