200643025

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{181}}^1$

素因数の和:370

約数の個数: 48

約数和(自身を含む): 284356800

約数和(自身を除く): 83713775

約数列:

[1, 5, 11, 25, 29, 55, 139, 145, 181, 275, 319, 695, 725, 905, 1529, 1595, 1991, 3475, 4031, 4525, 5249, 7645, 7975, 9955, 20155, 25159, 26245, 38225, 44341, 49775, 57739, 100775, 125795, 131225, 221705, 276749, 288695, 628975, 729611, 1108525, 1383745, 1443475, 3648055, 6918725, 8025721, 18240275, 40128605, 200643025]

約数ペア:

[(1, 200643025), (5, 40128605), (11, 18240275), (25, 8025721), (29, 6918725), (55, 3648055), (139, 1443475), (145, 1383745), (181, 1108525), (275, 729611), (319, 628975), (695, 288695), (725, 276749), (905, 221705), (1529, 131225), (1595, 125795), (1991, 100775), (3475, 57739), (4031, 49775), (4525, 44341), (5249, 38225), (7645, 26245), (7975, 25159), (9955, 20155)]