140692475

素因数分解:

$5^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{197}}^1$

素因数の和:285

約数の個数: 72

約数和(自身を含む): 226713168

約数和(自身を除く): 86020693

約数列:

[1, 5, 7, 11, 25, 35, 49, 53, 55, 77, 175, 197, 245, 265, 275, 371, 385, 539, 583, 985, 1225, 1325, 1379, 1855, 1925, 2167, 2597, 2695, 2915, 4081, 4925, 6895, 9275, 9653, 10441, 10835, 12985, 13475, 14575, 15169, 20405, 28567, 34475, 48265, 52205, 54175, 64925, 73087, 75845, 102025, 106183, 114851, 142835, 241325, 261025, 365435, 379225, 511609, 530915, 574255, 714175, 803957, 1827175, 2558045, 2654575, 2871275, 4019785, 5627699, 12790225, 20098925, 28138495, 140692475]

約数ペア:

[(1, 140692475), (5, 28138495), (7, 20098925), (11, 12790225), (25, 5627699), (35, 4019785), (49, 2871275), (53, 2654575), (55, 2558045), (77, 1827175), (175, 803957), (197, 714175), (245, 574255), (265, 530915), (275, 511609), (371, 379225), (385, 365435), (539, 261025), (583, 241325), (985, 142835), (1225, 114851), (1325, 106183), (1379, 102025), (1855, 75845), (1925, 73087), (2167, 64925), (2597, 54175), (2695, 52205), (2915, 48265), (4081, 34475), (4925, 28567), (6895, 20405), (9275, 15169), (9653, 14575), (10441, 13475), (10835, 12985)]