1888880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{3373}}^1$

素因数の和:3393

約数の個数: 40

約数和(自身を含む): 5020512

約数和(自身を除く): 3131632

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 3373, 6746, 13492, 16865, 23611, 26984, 33730, 47222, 53968, 67460, 94444, 118055, 134920, 188888, 236110, 269840, 377776, 472220, 944440, 1888880]

約数ペア:

[(1, 1888880), (2, 944440), (4, 472220), (5, 377776), (7, 269840), (8, 236110), (10, 188888), (14, 134920), (16, 118055), (20, 94444), (28, 67460), (35, 53968), (40, 47222), (56, 33730), (70, 26984), (80, 23611), (112, 16865), (140, 13492), (280, 6746), (560, 3373)]