259664440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{927373}}^1$

素因数の和:927391

約数の個数: 32

約数和(自身を含む): 667709280

約数和(自身を除く): 408044840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 927373, 1854746, 3709492, 4636865, 6491611, 7418984, 9273730, 12983222, 18547460, 25966444, 32458055, 37094920, 51932888, 64916110, 129832220, 259664440]

約数ペア:

[(1, 259664440), (2, 129832220), (4, 64916110), (5, 51932888), (7, 37094920), (8, 32458055), (10, 25966444), (14, 18547460), (20, 12983222), (28, 9273730), (35, 7418984), (40, 6491611), (56, 4636865), (70, 3709492), (140, 1854746), (280, 927373)]