200719475

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1$

素因数の和:308

約数の個数: 48

約数和(自身を含む): 281232000

約数和(自身を除く): 80512525

約数列:

[1, 5, 11, 25, 55, 59, 89, 139, 275, 295, 445, 649, 695, 979, 1475, 1529, 2225, 3245, 3475, 4895, 5251, 7645, 8201, 12371, 16225, 24475, 26255, 38225, 41005, 57761, 61855, 90211, 131275, 136081, 205025, 288805, 309275, 451055, 680405, 729889, 1444025, 2255275, 3402025, 3649445, 8028779, 18247225, 40143895, 200719475]

約数ペア:

[(1, 200719475), (5, 40143895), (11, 18247225), (25, 8028779), (55, 3649445), (59, 3402025), (89, 2255275), (139, 1444025), (275, 729889), (295, 680405), (445, 451055), (649, 309275), (695, 288805), (979, 205025), (1475, 136081), (1529, 131275), (2225, 90211), (3245, 61855), (3475, 57761), (4895, 41005), (5251, 38225), (7645, 26255), (8201, 24475), (12371, 16225)]