620077888

素因数分解:

$2^6\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{1621}}^1$

素因数の和:1815

約数の個数: 56

約数和(自身を含む): 1268923040

約数和(自身を除く): 648845152

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 139, 172, 278, 344, 556, 688, 1112, 1376, 1621, 2224, 2752, 3242, 4448, 5977, 6484, 8896, 11954, 12968, 23908, 25936, 47816, 51872, 69703, 95632, 103744, 139406, 191264, 225319, 278812, 382528, 450638, 557624, 901276, 1115248, 1802552, 2230496, 3605104, 4460992, 7210208, 9688717, 14420416, 19377434, 38754868, 77509736, 155019472, 310038944, 620077888]

約数ペア:

[(1, 620077888), (2, 310038944), (4, 155019472), (8, 77509736), (16, 38754868), (32, 19377434), (43, 14420416), (64, 9688717), (86, 7210208), (139, 4460992), (172, 3605104), (278, 2230496), (344, 1802552), (556, 1115248), (688, 901276), (1112, 557624), (1376, 450638), (1621, 382528), (2224, 278812), (2752, 225319), (3242, 191264), (4448, 139406), (5977, 103744), (6484, 95632), (8896, 69703), (11954, 51872), (12968, 47816), (23908, 25936)]