287113280

素因数分解:

$2^6\times 5^1\times {\mathrm{897229}}^1$

素因数の和:897246

約数の個数: 28

約数和(自身を含む): 683689260

約数和(自身を除く): 396575980

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 897229, 1794458, 3588916, 4486145, 7177832, 8972290, 14355664, 17944580, 28711328, 35889160, 57422656, 71778320, 143556640, 287113280]

約数ペア:

[(1, 287113280), (2, 143556640), (4, 71778320), (5, 57422656), (8, 35889160), (10, 28711328), (16, 17944580), (20, 14355664), (32, 8972290), (40, 7177832), (64, 4486145), (80, 3588916), (160, 1794458), (320, 897229)]