210828985

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^2\times {\mathrm{89}}^1$

素因数の和:202

約数の個数: 48

約数和(自身を含む): 289558800

約数和(自身を除く): 78729815

約数列:

[1, 5, 17, 29, 31, 85, 89, 145, 155, 445, 493, 527, 899, 961, 1513, 2465, 2581, 2635, 2759, 4495, 4805, 7565, 12905, 13795, 15283, 16337, 27869, 43877, 46903, 76415, 80011, 81685, 85529, 139345, 219385, 234515, 400055, 427645, 473773, 1360187, 1453993, 2368865, 2480341, 6800935, 7269965, 12401705, 42165797, 210828985]

約数ペア:

[(1, 210828985), (5, 42165797), (17, 12401705), (29, 7269965), (31, 6800935), (85, 2480341), (89, 2368865), (145, 1453993), (155, 1360187), (445, 473773), (493, 427645), (527, 400055), (899, 234515), (961, 219385), (1513, 139345), (2465, 85529), (2581, 81685), (2635, 80011), (2759, 76415), (4495, 46903), (4805, 43877), (7565, 27869), (12905, 16337), (13795, 15283)]