86619820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{4723}}^1$

素因数の和:4870

約数の個数: 48

約数和(自身を含む): 209518848

約数和(自身を除く): 122899028

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 131, 140, 262, 524, 655, 917, 1310, 1834, 2620, 3668, 4585, 4723, 9170, 9446, 18340, 18892, 23615, 33061, 47230, 66122, 94460, 132244, 165305, 330610, 618713, 661220, 1237426, 2474852, 3093565, 4330991, 6187130, 8661982, 12374260, 17323964, 21654955, 43309910, 86619820]

約数ペア:

[(1, 86619820), (2, 43309910), (4, 21654955), (5, 17323964), (7, 12374260), (10, 8661982), (14, 6187130), (20, 4330991), (28, 3093565), (35, 2474852), (70, 1237426), (131, 661220), (140, 618713), (262, 330610), (524, 165305), (655, 132244), (917, 94460), (1310, 66122), (1834, 47230), (2620, 33061), (3668, 23615), (4585, 18892), (4723, 18340), (9170, 9446)]