289921000

素因数分解:

$2^3\times 5^3\times {\mathrm{19}}^1\times {\mathrm{15259}}^1$

素因数の和:15299

約数の個数: 64

約数和(自身を含む): 714168000

約数和(自身を除く): 424247000

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 95, 100, 125, 152, 190, 200, 250, 380, 475, 500, 760, 950, 1000, 1900, 2375, 3800, 4750, 9500, 15259, 19000, 30518, 61036, 76295, 122072, 152590, 289921, 305180, 381475, 579842, 610360, 762950, 1159684, 1449605, 1525900, 1907375, 2319368, 2899210, 3051800, 3814750, 5798420, 7248025, 7629500, 11596840, 14496050, 15259000, 28992100, 36240125, 57984200, 72480250, 144960500, 289921000]

約数ペア:

[(1, 289921000), (2, 144960500), (4, 72480250), (5, 57984200), (8, 36240125), (10, 28992100), (19, 15259000), (20, 14496050), (25, 11596840), (38, 7629500), (40, 7248025), (50, 5798420), (76, 3814750), (95, 3051800), (100, 2899210), (125, 2319368), (152, 1907375), (190, 1525900), (200, 1449605), (250, 1159684), (380, 762950), (475, 610360), (500, 579842), (760, 381475), (950, 305180), (1000, 289921), (1900, 152590), (2375, 122072), (3800, 76295), (4750, 61036), (9500, 30518), (15259, 19000)]