17421250

素因数分解:

$2^1\times 5^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1$

素因数の和:221

約数の個数: 80

約数和(自身を含む): 40936896

約数和(自身を除く): 23515646

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 25, 35, 50, 55, 70, 77, 110, 125, 154, 175, 181, 250, 275, 350, 362, 385, 550, 625, 770, 875, 905, 1250, 1267, 1375, 1750, 1810, 1925, 1991, 2534, 2750, 3850, 3982, 4375, 4525, 6335, 6875, 8750, 9050, 9625, 9955, 12670, 13750, 13937, 19250, 19910, 22625, 27874, 31675, 45250, 48125, 49775, 63350, 69685, 96250, 99550, 113125, 139370, 158375, 226250, 248875, 316750, 348425, 497750, 696850, 791875, 1244375, 1583750, 1742125, 2488750, 3484250, 8710625, 17421250]

約数ペア:

[(1, 17421250), (2, 8710625), (5, 3484250), (7, 2488750), (10, 1742125), (11, 1583750), (14, 1244375), (22, 791875), (25, 696850), (35, 497750), (50, 348425), (55, 316750), (70, 248875), (77, 226250), (110, 158375), (125, 139370), (154, 113125), (175, 99550), (181, 96250), (250, 69685), (275, 63350), (350, 49775), (362, 48125), (385, 45250), (550, 31675), (625, 27874), (770, 22625), (875, 19910), (905, 19250), (1250, 13937), (1267, 13750), (1375, 12670), (1750, 9955), (1810, 9625), (1925, 9050), (1991, 8750), (2534, 6875), (2750, 6335), (3850, 4525), (3982, 4375)]