127962910

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{229}}^1$

素因数の和:445

約数の個数: 64

約数和(自身を含む): 259329600

約数和(自身を除く): 131366690

約数列:

[1, 2, 5, 10, 17, 19, 34, 38, 85, 95, 170, 173, 190, 229, 323, 346, 458, 646, 865, 1145, 1615, 1730, 2290, 2941, 3230, 3287, 3893, 4351, 5882, 6574, 7786, 8702, 14705, 16435, 19465, 21755, 29410, 32870, 38930, 39617, 43510, 55879, 73967, 79234, 111758, 147934, 198085, 279395, 369835, 396170, 558790, 673489, 739670, 752723, 1346978, 1505446, 3367445, 3763615, 6734890, 7527230, 12796291, 25592582, 63981455, 127962910]

約数ペア:

[(1, 127962910), (2, 63981455), (5, 25592582), (10, 12796291), (17, 7527230), (19, 6734890), (34, 3763615), (38, 3367445), (85, 1505446), (95, 1346978), (170, 752723), (173, 739670), (190, 673489), (229, 558790), (323, 396170), (346, 369835), (458, 279395), (646, 198085), (865, 147934), (1145, 111758), (1615, 79234), (1730, 73967), (2290, 55879), (2941, 43510), (3230, 39617), (3287, 38930), (3893, 32870), (4351, 29410), (5882, 21755), (6574, 19465), (7786, 16435), (8702, 14705)]