90280990

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1\times {\mathrm{1609}}^1$

素因数の和:1828

約数の個数: 32

約数和(自身を含む): 168779520

約数和(自身を除く): 78498530

約数列:

[1, 2, 5, 10, 31, 62, 155, 181, 310, 362, 905, 1609, 1810, 3218, 5611, 8045, 11222, 16090, 28055, 49879, 56110, 99758, 249395, 291229, 498790, 582458, 1456145, 2912290, 9028099, 18056198, 45140495, 90280990]

約数ペア:

[(1, 90280990), (2, 45140495), (5, 18056198), (10, 9028099), (31, 2912290), (62, 1456145), (155, 582458), (181, 498790), (310, 291229), (362, 249395), (905, 99758), (1609, 56110), (1810, 49879), (3218, 28055), (5611, 16090), (8045, 11222)]