31273000

素因数分解:

$2^3\times 5^3\times {\mathrm{11}}^1\times {\mathrm{2843}}^1$

素因数の和:2875

約数の個数: 64

約数和(自身を含む): 79859520

約数和(自身を除く): 48586520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 125, 200, 220, 250, 275, 440, 500, 550, 1000, 1100, 1375, 2200, 2750, 2843, 5500, 5686, 11000, 11372, 14215, 22744, 28430, 31273, 56860, 62546, 71075, 113720, 125092, 142150, 156365, 250184, 284300, 312730, 355375, 568600, 625460, 710750, 781825, 1250920, 1421500, 1563650, 2843000, 3127300, 3909125, 6254600, 7818250, 15636500, 31273000]

約数ペア:

[(1, 31273000), (2, 15636500), (4, 7818250), (5, 6254600), (8, 3909125), (10, 3127300), (11, 2843000), (20, 1563650), (22, 1421500), (25, 1250920), (40, 781825), (44, 710750), (50, 625460), (55, 568600), (88, 355375), (100, 312730), (110, 284300), (125, 250184), (200, 156365), (220, 142150), (250, 125092), (275, 113720), (440, 71075), (500, 62546), (550, 56860), (1000, 31273), (1100, 28430), (1375, 22744), (2200, 14215), (2750, 11372), (2843, 11000), (5500, 5686)]