28946000

素因数分解:

$2^4\times 5^3\times {\mathrm{41}}^1\times {\mathrm{353}}^1$

素因数の和:417

約数の個数: 80

約数和(自身を含む): 71901648

約数和(自身を除く): 42955648

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 41, 50, 80, 82, 100, 125, 164, 200, 205, 250, 328, 353, 400, 410, 500, 656, 706, 820, 1000, 1025, 1412, 1640, 1765, 2000, 2050, 2824, 3280, 3530, 4100, 5125, 5648, 7060, 8200, 8825, 10250, 14120, 14473, 16400, 17650, 20500, 28240, 28946, 35300, 41000, 44125, 57892, 70600, 72365, 82000, 88250, 115784, 141200, 144730, 176500, 231568, 289460, 353000, 361825, 578920, 706000, 723650, 1157840, 1447300, 1809125, 2894600, 3618250, 5789200, 7236500, 14473000, 28946000]

約数ペア:

[(1, 28946000), (2, 14473000), (4, 7236500), (5, 5789200), (8, 3618250), (10, 2894600), (16, 1809125), (20, 1447300), (25, 1157840), (40, 723650), (41, 706000), (50, 578920), (80, 361825), (82, 353000), (100, 289460), (125, 231568), (164, 176500), (200, 144730), (205, 141200), (250, 115784), (328, 88250), (353, 82000), (400, 72365), (410, 70600), (500, 57892), (656, 44125), (706, 41000), (820, 35300), (1000, 28946), (1025, 28240), (1412, 20500), (1640, 17650), (1765, 16400), (2000, 14473), (2050, 14120), (2824, 10250), (3280, 8825), (3530, 8200), (4100, 7060), (5125, 5648)]