28910390

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{761}}^1$

素因数の和:928

約数の個数: 32

約数和(自身を含む): 54315360

約数和(自身を除く): 25404970

約数列:

[1, 2, 5, 10, 29, 58, 131, 145, 262, 290, 655, 761, 1310, 1522, 3799, 3805, 7598, 7610, 18995, 22069, 37990, 44138, 99691, 110345, 199382, 220690, 498455, 996910, 2891039, 5782078, 14455195, 28910390]

約数ペア:

[(1, 28910390), (2, 14455195), (5, 5782078), (10, 2891039), (29, 996910), (58, 498455), (131, 220690), (145, 199382), (262, 110345), (290, 99691), (655, 44138), (761, 37990), (1310, 22069), (1522, 18995), (3799, 7610), (3805, 7598)]