289136480

素因数分解:

$2^5\times 5^1\times {\mathrm{47}}^1\times {\mathrm{38449}}^1$

素因数の和:38511

約数の個数: 48

約数和(自身を含む): 697636800

約数和(自身を除く): 408500320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 47, 80, 94, 160, 188, 235, 376, 470, 752, 940, 1504, 1880, 3760, 7520, 38449, 76898, 153796, 192245, 307592, 384490, 615184, 768980, 1230368, 1537960, 1807103, 3075920, 3614206, 6151840, 7228412, 9035515, 14456824, 18071030, 28913648, 36142060, 57827296, 72284120, 144568240, 289136480]

約数ペア:

[(1, 289136480), (2, 144568240), (4, 72284120), (5, 57827296), (8, 36142060), (10, 28913648), (16, 18071030), (20, 14456824), (32, 9035515), (40, 7228412), (47, 6151840), (80, 3614206), (94, 3075920), (160, 1807103), (188, 1537960), (235, 1230368), (376, 768980), (470, 615184), (752, 384490), (940, 307592), (1504, 192245), (1880, 153796), (3760, 76898), (7520, 38449)]