2891800

素因数分解:

$2^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{761}}^1$

素因数の和:796

約数の個数: 48

約数和(自身を含む): 7086600

約数和(自身を除く): 4194800

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 95, 100, 152, 190, 200, 380, 475, 760, 761, 950, 1522, 1900, 3044, 3800, 3805, 6088, 7610, 14459, 15220, 19025, 28918, 30440, 38050, 57836, 72295, 76100, 115672, 144590, 152200, 289180, 361475, 578360, 722950, 1445900, 2891800]

約数ペア:

[(1, 2891800), (2, 1445900), (4, 722950), (5, 578360), (8, 361475), (10, 289180), (19, 152200), (20, 144590), (25, 115672), (38, 76100), (40, 72295), (50, 57836), (76, 38050), (95, 30440), (100, 28918), (152, 19025), (190, 15220), (200, 14459), (380, 7610), (475, 6088), (760, 3805), (761, 3800), (950, 3044), (1522, 1900)]