31501820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{2711}}^1$

素因数の和:2810

約数の個数: 48

約数和(自身を含む): 76543488

約数和(自身を除く): 45041668

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 83, 140, 166, 332, 415, 581, 830, 1162, 1660, 2324, 2711, 2905, 5422, 5810, 10844, 11620, 13555, 18977, 27110, 37954, 54220, 75908, 94885, 189770, 225013, 379540, 450026, 900052, 1125065, 1575091, 2250130, 3150182, 4500260, 6300364, 7875455, 15750910, 31501820]

約数ペア:

[(1, 31501820), (2, 15750910), (4, 7875455), (5, 6300364), (7, 4500260), (10, 3150182), (14, 2250130), (20, 1575091), (28, 1125065), (35, 900052), (70, 450026), (83, 379540), (140, 225013), (166, 189770), (332, 94885), (415, 75908), (581, 54220), (830, 37954), (1162, 27110), (1660, 18977), (2324, 13555), (2711, 11620), (2905, 10844), (5422, 5810)]