86471420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{8461}}^1$

素因数の和:8550

約数の個数: 48

約数和(自身を含む): 210399168

約数和(自身を除く): 123927748

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 73, 140, 146, 292, 365, 511, 730, 1022, 1460, 2044, 2555, 5110, 8461, 10220, 16922, 33844, 42305, 59227, 84610, 118454, 169220, 236908, 296135, 592270, 617653, 1184540, 1235306, 2470612, 3088265, 4323571, 6176530, 8647142, 12353060, 17294284, 21617855, 43235710, 86471420]

約数ペア:

[(1, 86471420), (2, 43235710), (4, 21617855), (5, 17294284), (7, 12353060), (10, 8647142), (14, 6176530), (20, 4323571), (28, 3088265), (35, 2470612), (70, 1235306), (73, 1184540), (140, 617653), (146, 592270), (292, 296135), (365, 236908), (511, 169220), (730, 118454), (1022, 84610), (1460, 59227), (2044, 42305), (2555, 33844), (5110, 16922), (8461, 10220)]