2122981055

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{139}}^1\times {\mathrm{149}}^1$

素因数の和:408

約数の個数: 64

約数和(自身を含む): 2963520000

約数和(自身を除く): 840538945

約数列:

[1, 5, 13, 19, 65, 83, 95, 139, 149, 247, 415, 695, 745, 1079, 1235, 1577, 1807, 1937, 2641, 2831, 5395, 7885, 9035, 9685, 11537, 12367, 13205, 14155, 20501, 20711, 34333, 36803, 57685, 61835, 102505, 103555, 149981, 160771, 171665, 184015, 219203, 234973, 269243, 393509, 749905, 803855, 1096015, 1174865, 1346215, 1719013, 1967545, 2849639, 3054649, 5115617, 8595065, 14248195, 15273245, 22347169, 25578085, 32661247, 111735845, 163306235, 424596211, 2122981055]

約数ペア:

[(1, 2122981055), (5, 424596211), (13, 163306235), (19, 111735845), (65, 32661247), (83, 25578085), (95, 22347169), (139, 15273245), (149, 14248195), (247, 8595065), (415, 5115617), (695, 3054649), (745, 2849639), (1079, 1967545), (1235, 1719013), (1577, 1346215), (1807, 1174865), (1937, 1096015), (2641, 803855), (2831, 749905), (5395, 393509), (7885, 269243), (9035, 234973), (9685, 219203), (11537, 184015), (12367, 171665), (13205, 160771), (14155, 149981), (20501, 103555), (20711, 102505), (34333, 61835), (36803, 57685)]