17989060

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{337}}^1$

素因数の和:520

約数の個数: 48

約数和(自身を含む): 40373424

約数和(自身を除く): 22384364

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 157, 170, 314, 337, 340, 628, 674, 785, 1348, 1570, 1685, 2669, 3140, 3370, 5338, 5729, 6740, 10676, 11458, 13345, 22916, 26690, 28645, 52909, 53380, 57290, 105818, 114580, 211636, 264545, 529090, 899453, 1058180, 1798906, 3597812, 4497265, 8994530, 17989060]

約数ペア:

[(1, 17989060), (2, 8994530), (4, 4497265), (5, 3597812), (10, 1798906), (17, 1058180), (20, 899453), (34, 529090), (68, 264545), (85, 211636), (157, 114580), (170, 105818), (314, 57290), (337, 53380), (340, 52909), (628, 28645), (674, 26690), (785, 22916), (1348, 13345), (1570, 11458), (1685, 10676), (2669, 6740), (3140, 5729), (3370, 5338)]