287053120

素因数分解:

$2^6\times 5^1\times {\mathrm{571}}^1\times {\mathrm{1571}}^1$

素因数の和:2159

約数の個数: 56

約数和(自身を含む): 685178208

約数和(自身を除く): 398125088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 571, 1142, 1571, 2284, 2855, 3142, 4568, 5710, 6284, 7855, 9136, 11420, 12568, 15710, 18272, 22840, 25136, 31420, 36544, 45680, 50272, 62840, 91360, 100544, 125680, 182720, 251360, 502720, 897041, 1794082, 3588164, 4485205, 7176328, 8970410, 14352656, 17940820, 28705312, 35881640, 57410624, 71763280, 143526560, 287053120]

約数ペア:

[(1, 287053120), (2, 143526560), (4, 71763280), (5, 57410624), (8, 35881640), (10, 28705312), (16, 17940820), (20, 14352656), (32, 8970410), (40, 7176328), (64, 4485205), (80, 3588164), (160, 1794082), (320, 897041), (571, 502720), (1142, 251360), (1571, 182720), (2284, 125680), (2855, 100544), (3142, 91360), (4568, 62840), (5710, 50272), (6284, 45680), (7855, 36544), (9136, 31420), (11420, 25136), (12568, 22840), (15710, 18272)]