2085900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{409}}^1$

素因数の和:443

約数の個数: 72

約数和(自身を含む): 6405840

約数和(自身を除く): 4319940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 25, 30, 34, 50, 51, 60, 68, 75, 85, 100, 102, 150, 170, 204, 255, 300, 340, 409, 425, 510, 818, 850, 1020, 1227, 1275, 1636, 1700, 2045, 2454, 2550, 4090, 4908, 5100, 6135, 6953, 8180, 10225, 12270, 13906, 20450, 20859, 24540, 27812, 30675, 34765, 40900, 41718, 61350, 69530, 83436, 104295, 122700, 139060, 173825, 208590, 347650, 417180, 521475, 695300, 1042950, 2085900]

約数ペア:

[(1, 2085900), (2, 1042950), (3, 695300), (4, 521475), (5, 417180), (6, 347650), (10, 208590), (12, 173825), (15, 139060), (17, 122700), (20, 104295), (25, 83436), (30, 69530), (34, 61350), (50, 41718), (51, 40900), (60, 34765), (68, 30675), (75, 27812), (85, 24540), (100, 20859), (102, 20450), (150, 13906), (170, 12270), (204, 10225), (255, 8180), (300, 6953), (340, 6135), (409, 5100), (425, 4908), (510, 4090), (818, 2550), (850, 2454), (1020, 2045), (1227, 1700), (1275, 1636)]