303280

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{223}}^1$

素因数の和:253

約数の個数: 40

約数和(自身を含む): 749952

約数和(自身を除く): 446672

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 223, 272, 340, 446, 680, 892, 1115, 1360, 1784, 2230, 3568, 3791, 4460, 7582, 8920, 15164, 17840, 18955, 30328, 37910, 60656, 75820, 151640, 303280]

約数ペア:

[(1, 303280), (2, 151640), (4, 75820), (5, 60656), (8, 37910), (10, 30328), (16, 18955), (17, 17840), (20, 15164), (34, 8920), (40, 7582), (68, 4460), (80, 3791), (85, 3568), (136, 2230), (170, 1784), (223, 1360), (272, 1115), (340, 892), (446, 680)]