1328269820

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{15877}}^1$

素因数の和:16022

約数の個数: 48

約数和(自身を含む): 2880904320

約数和(自身を除く): 1552634500

約数列:

[1, 2, 4, 5, 10, 20, 47, 89, 94, 178, 188, 235, 356, 445, 470, 890, 940, 1780, 4183, 8366, 15877, 16732, 20915, 31754, 41830, 63508, 79385, 83660, 158770, 317540, 746219, 1413053, 1492438, 2826106, 2984876, 3731095, 5652212, 7065265, 7462190, 14130530, 14924380, 28261060, 66413491, 132826982, 265653964, 332067455, 664134910, 1328269820]

約数ペア:

[(1, 1328269820), (2, 664134910), (4, 332067455), (5, 265653964), (10, 132826982), (20, 66413491), (47, 28261060), (89, 14924380), (94, 14130530), (178, 7462190), (188, 7065265), (235, 5652212), (356, 3731095), (445, 2984876), (470, 2826106), (890, 1492438), (940, 1413053), (1780, 746219), (4183, 317540), (8366, 158770), (15877, 83660), (16732, 79385), (20915, 63508), (31754, 41830)]