201100000

素因数分解:

$2^5\times 5^5\times {\mathrm{2011}}^1$

素因数の和:2046

約数の個数: 72

約数和(自身を含む): 495108936

約数和(自身を除く): 294008936

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 625, 800, 1000, 1250, 2000, 2011, 2500, 3125, 4000, 4022, 5000, 6250, 8044, 10000, 10055, 12500, 16088, 20000, 20110, 25000, 32176, 40220, 50000, 50275, 64352, 80440, 100000, 100550, 160880, 201100, 251375, 321760, 402200, 502750, 804400, 1005500, 1256875, 1608800, 2011000, 2513750, 4022000, 5027500, 6284375, 8044000, 10055000, 12568750, 20110000, 25137500, 40220000, 50275000, 100550000, 201100000]

約数ペア:

[(1, 201100000), (2, 100550000), (4, 50275000), (5, 40220000), (8, 25137500), (10, 20110000), (16, 12568750), (20, 10055000), (25, 8044000), (32, 6284375), (40, 5027500), (50, 4022000), (80, 2513750), (100, 2011000), (125, 1608800), (160, 1256875), (200, 1005500), (250, 804400), (400, 502750), (500, 402200), (625, 321760), (800, 251375), (1000, 201100), (1250, 160880), (2000, 100550), (2011, 100000), (2500, 80440), (3125, 64352), (4000, 50275), (4022, 50000), (5000, 40220), (6250, 32176), (8044, 25000), (10000, 20110), (10055, 20000), (12500, 16088)]