154052920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{550189}}^1$

素因数の和:550207

約数の個数: 32

約数和(自身を含む): 396136800

約数和(自身を除く): 242083880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 550189, 1100378, 2200756, 2750945, 3851323, 4401512, 5501890, 7702646, 11003780, 15405292, 19256615, 22007560, 30810584, 38513230, 77026460, 154052920]

約数ペア:

[(1, 154052920), (2, 77026460), (4, 38513230), (5, 30810584), (7, 22007560), (8, 19256615), (10, 15405292), (14, 11003780), (20, 7702646), (28, 5501890), (35, 4401512), (40, 3851323), (56, 2750945), (70, 2200756), (140, 1100378), (280, 550189)]