289492010

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{349}}^1\times {\mathrm{761}}^1$

素因数の和:1226

約数の個数: 32

約数和(自身を含む): 528066000

約数和(自身を除く): 238573990

約数列:

[1, 2, 5, 10, 109, 218, 349, 545, 698, 761, 1090, 1522, 1745, 3490, 3805, 7610, 38041, 76082, 82949, 165898, 190205, 265589, 380410, 414745, 531178, 829490, 1327945, 2655890, 28949201, 57898402, 144746005, 289492010]

約数ペア:

[(1, 289492010), (2, 144746005), (5, 57898402), (10, 28949201), (109, 2655890), (218, 1327945), (349, 829490), (545, 531178), (698, 414745), (761, 380410), (1090, 265589), (1522, 190205), (1745, 165898), (3490, 82949), (3805, 76082), (7610, 38041)]