26215000

素因数分解:

$2^3\times 5^4\times 7^2\times {\mathrm{107}}^1$

素因数の和:147

約数の個数: 120

約数和(自身を含む): 72117540

約数和(自身を除く): 45902540

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 49, 50, 56, 70, 98, 100, 107, 125, 140, 175, 196, 200, 214, 245, 250, 280, 350, 392, 428, 490, 500, 535, 625, 700, 749, 856, 875, 980, 1000, 1070, 1225, 1250, 1400, 1498, 1750, 1960, 2140, 2450, 2500, 2675, 2996, 3500, 3745, 4280, 4375, 4900, 5000, 5243, 5350, 5992, 6125, 7000, 7490, 8750, 9800, 10486, 10700, 12250, 13375, 14980, 17500, 18725, 20972, 21400, 24500, 26215, 26750, 29960, 30625, 35000, 37450, 41944, 49000, 52430, 53500, 61250, 66875, 74900, 93625, 104860, 107000, 122500, 131075, 133750, 149800, 187250, 209720, 245000, 262150, 267500, 374500, 468125, 524300, 535000, 655375, 749000, 936250, 1048600, 1310750, 1872500, 2621500, 3276875, 3745000, 5243000, 6553750, 13107500, 26215000]

約数ペア:

[(1, 26215000), (2, 13107500), (4, 6553750), (5, 5243000), (7, 3745000), (8, 3276875), (10, 2621500), (14, 1872500), (20, 1310750), (25, 1048600), (28, 936250), (35, 749000), (40, 655375), (49, 535000), (50, 524300), (56, 468125), (70, 374500), (98, 267500), (100, 262150), (107, 245000), (125, 209720), (140, 187250), (175, 149800), (196, 133750), (200, 131075), (214, 122500), (245, 107000), (250, 104860), (280, 93625), (350, 74900), (392, 66875), (428, 61250), (490, 53500), (500, 52430), (535, 49000), (625, 41944), (700, 37450), (749, 35000), (856, 30625), (875, 29960), (980, 26750), (1000, 26215), (1070, 24500), (1225, 21400), (1250, 20972), (1400, 18725), (1498, 17500), (1750, 14980), (1960, 13375), (2140, 12250), (2450, 10700), (2500, 10486), (2675, 9800), (2996, 8750), (3500, 7490), (3745, 7000), (4280, 6125), (4375, 5992), (4900, 5350), (5000, 5243)]