148240

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1$

素因数の和:139

約数の個数: 40

約数和(自身を含む): 368280

約数和(自身を除く): 220040

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 109, 136, 170, 218, 272, 340, 436, 545, 680, 872, 1090, 1360, 1744, 1853, 2180, 3706, 4360, 7412, 8720, 9265, 14824, 18530, 29648, 37060, 74120, 148240]

約数ペア:

[(1, 148240), (2, 74120), (4, 37060), (5, 29648), (8, 18530), (10, 14824), (16, 9265), (17, 8720), (20, 7412), (34, 4360), (40, 3706), (68, 2180), (80, 1853), (85, 1744), (109, 1360), (136, 1090), (170, 872), (218, 680), (272, 545), (340, 436)]