628837825

素因数分解:

$5^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{2029}}^1$

素因数の和:2087

約数の個数: 72

約数和(自身を含む): 1033058880

約数和(自身を除く): 404221055

約数列:

[1, 5, 7, 11, 23, 25, 35, 49, 55, 77, 115, 161, 175, 245, 253, 275, 385, 539, 575, 805, 1127, 1225, 1265, 1771, 1925, 2029, 2695, 4025, 5635, 6325, 8855, 10145, 12397, 13475, 14203, 22319, 28175, 44275, 46667, 50725, 61985, 71015, 99421, 111595, 156233, 233335, 309925, 326669, 355075, 497105, 513337, 557975, 781165, 1093631, 1166675, 1633345, 2286683, 2485525, 2566685, 3593359, 3905825, 5468155, 8166725, 11433415, 12833425, 17966795, 25153513, 27340775, 57167075, 89833975, 125767565, 628837825]

約数ペア:

[(1, 628837825), (5, 125767565), (7, 89833975), (11, 57167075), (23, 27340775), (25, 25153513), (35, 17966795), (49, 12833425), (55, 11433415), (77, 8166725), (115, 5468155), (161, 3905825), (175, 3593359), (245, 2566685), (253, 2485525), (275, 2286683), (385, 1633345), (539, 1166675), (575, 1093631), (805, 781165), (1127, 557975), (1225, 513337), (1265, 497105), (1771, 355075), (1925, 326669), (2029, 309925), (2695, 233335), (4025, 156233), (5635, 111595), (6325, 99421), (8855, 71015), (10145, 61985), (12397, 50725), (13475, 46667), (14203, 44275), (22319, 28175)]