128464750

素因数分解:

$2^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{167}}^1\times {\mathrm{181}}^1$

素因数の和:382

約数の個数: 64

約数和(自身を含む): 257572224

約数和(自身を除く): 129107474

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 125, 167, 170, 181, 250, 334, 362, 425, 835, 850, 905, 1670, 1810, 2125, 2839, 3077, 4175, 4250, 4525, 5678, 6154, 8350, 9050, 14195, 15385, 20875, 22625, 28390, 30227, 30770, 41750, 45250, 60454, 70975, 76925, 141950, 151135, 153850, 302270, 354875, 384625, 513859, 709750, 755675, 769250, 1027718, 1511350, 2569295, 3778375, 5138590, 7556750, 12846475, 25692950, 64232375, 128464750]

約数ペア:

[(1, 128464750), (2, 64232375), (5, 25692950), (10, 12846475), (17, 7556750), (25, 5138590), (34, 3778375), (50, 2569295), (85, 1511350), (125, 1027718), (167, 769250), (170, 755675), (181, 709750), (250, 513859), (334, 384625), (362, 354875), (425, 302270), (835, 153850), (850, 151135), (905, 141950), (1670, 76925), (1810, 70975), (2125, 60454), (2839, 45250), (3077, 41750), (4175, 30770), (4250, 30227), (4525, 28390), (5678, 22625), (6154, 20875), (8350, 15385), (9050, 14195)]