518840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1$

素因数の和:144

約数の個数: 64

約数和(自身を含む): 1425600

約数和(自身を除く): 906760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 85, 109, 119, 136, 140, 170, 218, 238, 280, 340, 436, 476, 545, 595, 680, 763, 872, 952, 1090, 1190, 1526, 1853, 2180, 2380, 3052, 3706, 3815, 4360, 4760, 6104, 7412, 7630, 9265, 12971, 14824, 15260, 18530, 25942, 30520, 37060, 51884, 64855, 74120, 103768, 129710, 259420, 518840]

約数ペア:

[(1, 518840), (2, 259420), (4, 129710), (5, 103768), (7, 74120), (8, 64855), (10, 51884), (14, 37060), (17, 30520), (20, 25942), (28, 18530), (34, 15260), (35, 14824), (40, 12971), (56, 9265), (68, 7630), (70, 7412), (85, 6104), (109, 4760), (119, 4360), (136, 3815), (140, 3706), (170, 3052), (218, 2380), (238, 2180), (280, 1853), (340, 1526), (436, 1190), (476, 1090), (545, 952), (595, 872), (680, 763)]