77615780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{4969}}^1$

素因数の和:5060

約数の個数: 48

約数和(自身を含む): 180351360

約数和(自身を除く): 102735580

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 71, 110, 142, 220, 284, 355, 710, 781, 1420, 1562, 3124, 3905, 4969, 7810, 9938, 15620, 19876, 24845, 49690, 54659, 99380, 109318, 218636, 273295, 352799, 546590, 705598, 1093180, 1411196, 1763995, 3527990, 3880789, 7055980, 7761578, 15523156, 19403945, 38807890, 77615780]

約数ペア:

[(1, 77615780), (2, 38807890), (4, 19403945), (5, 15523156), (10, 7761578), (11, 7055980), (20, 3880789), (22, 3527990), (44, 1763995), (55, 1411196), (71, 1093180), (110, 705598), (142, 546590), (220, 352799), (284, 273295), (355, 218636), (710, 109318), (781, 99380), (1420, 54659), (1562, 49690), (3124, 24845), (3905, 19876), (4969, 15620), (7810, 9938)]