47979820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{173}}^1\times {\mathrm{283}}^1$

素因数の和:479

約数の個数: 72

約数和(自身を含む): 118301904

約数和(自身を除く): 70322084

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 173, 196, 245, 283, 346, 490, 566, 692, 865, 980, 1132, 1211, 1415, 1730, 1981, 2422, 2830, 3460, 3962, 4844, 5660, 6055, 7924, 8477, 9905, 12110, 13867, 16954, 19810, 24220, 27734, 33908, 39620, 42385, 48959, 55468, 69335, 84770, 97918, 138670, 169540, 195836, 244795, 277340, 342713, 489590, 685426, 979180, 1370852, 1713565, 2398991, 3427130, 4797982, 6854260, 9595964, 11994955, 23989910, 47979820]

約数ペア:

[(1, 47979820), (2, 23989910), (4, 11994955), (5, 9595964), (7, 6854260), (10, 4797982), (14, 3427130), (20, 2398991), (28, 1713565), (35, 1370852), (49, 979180), (70, 685426), (98, 489590), (140, 342713), (173, 277340), (196, 244795), (245, 195836), (283, 169540), (346, 138670), (490, 97918), (566, 84770), (692, 69335), (865, 55468), (980, 48959), (1132, 42385), (1211, 39620), (1415, 33908), (1730, 27734), (1981, 24220), (2422, 19810), (2830, 16954), (3460, 13867), (3962, 12110), (4844, 9905), (5660, 8477), (6055, 7924)]