12287260

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{509}}^1$

素因数の和:606

約数の個数: 48

約数和(自身を含む): 27760320

約数和(自身を除く): 15473060

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 71, 85, 142, 170, 284, 340, 355, 509, 710, 1018, 1207, 1420, 2036, 2414, 2545, 4828, 5090, 6035, 8653, 10180, 12070, 17306, 24140, 34612, 36139, 43265, 72278, 86530, 144556, 173060, 180695, 361390, 614363, 722780, 1228726, 2457452, 3071815, 6143630, 12287260]

約数ペア:

[(1, 12287260), (2, 6143630), (4, 3071815), (5, 2457452), (10, 1228726), (17, 722780), (20, 614363), (34, 361390), (68, 180695), (71, 173060), (85, 144556), (142, 86530), (170, 72278), (284, 43265), (340, 36139), (355, 34612), (509, 24140), (710, 17306), (1018, 12070), (1207, 10180), (1420, 8653), (2036, 6035), (2414, 5090), (2545, 4828)]