427523960

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{120091}}^1$

素因数の和:120191

約数の個数: 32

約数和(自身を含む): 972745200

約数和(自身を除く): 545221240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 120091, 240182, 480364, 600455, 960728, 1200910, 2401820, 4803640, 10688099, 21376198, 42752396, 53440495, 85504792, 106880990, 213761980, 427523960]

約数ペア:

[(1, 427523960), (2, 213761980), (4, 106880990), (5, 85504792), (8, 53440495), (10, 42752396), (20, 21376198), (40, 10688099), (89, 4803640), (178, 2401820), (356, 1200910), (445, 960728), (712, 600455), (890, 480364), (1780, 240182), (3560, 120091)]