78870440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{2269}}^1$

素因数の和:2370

約数の個数: 64

約数和(自身を含む): 196128000

約数和(自身を除く): 117257560

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 79, 88, 110, 158, 220, 316, 395, 440, 632, 790, 869, 1580, 1738, 2269, 3160, 3476, 4345, 4538, 6952, 8690, 9076, 11345, 17380, 18152, 22690, 24959, 34760, 45380, 49918, 90760, 99836, 124795, 179251, 199672, 249590, 358502, 499180, 717004, 896255, 998360, 1434008, 1792510, 1971761, 3585020, 3943522, 7170040, 7887044, 9858805, 15774088, 19717610, 39435220, 78870440]

約数ペア:

[(1, 78870440), (2, 39435220), (4, 19717610), (5, 15774088), (8, 9858805), (10, 7887044), (11, 7170040), (20, 3943522), (22, 3585020), (40, 1971761), (44, 1792510), (55, 1434008), (79, 998360), (88, 896255), (110, 717004), (158, 499180), (220, 358502), (316, 249590), (395, 199672), (440, 179251), (632, 124795), (790, 99836), (869, 90760), (1580, 49918), (1738, 45380), (2269, 34760), (3160, 24959), (3476, 22690), (4345, 18152), (4538, 17380), (6952, 11345), (8690, 9076)]