227825720

素因数分解:

$2^3\times 5^1\times {\mathrm{223}}^1\times {\mathrm{25541}}^1$

素因数の和:25775

約数の個数: 32

約数和(自身を含む): 514926720

約数和(自身を除く): 287101000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 223, 446, 892, 1115, 1784, 2230, 4460, 8920, 25541, 51082, 102164, 127705, 204328, 255410, 510820, 1021640, 5695643, 11391286, 22782572, 28478215, 45565144, 56956430, 113912860, 227825720]

約数ペア:

[(1, 227825720), (2, 113912860), (4, 56956430), (5, 45565144), (8, 28478215), (10, 22782572), (20, 11391286), (40, 5695643), (223, 1021640), (446, 510820), (892, 255410), (1115, 204328), (1784, 127705), (2230, 102164), (4460, 51082), (8920, 25541)]