251641140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{246707}}^1$

素因数の和:246736

約数の個数: 48

約数和(自身を含む): 746044992

約数和(自身を除く): 494403852

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 246707, 493414, 740121, 986828, 1233535, 1480242, 2467070, 2960484, 3700605, 4194019, 4934140, 7401210, 8388038, 12582057, 14802420, 16776076, 20970095, 25164114, 41940190, 50328228, 62910285, 83880380, 125820570, 251641140]

約数ペア:

[(1, 251641140), (2, 125820570), (3, 83880380), (4, 62910285), (5, 50328228), (6, 41940190), (10, 25164114), (12, 20970095), (15, 16776076), (17, 14802420), (20, 12582057), (30, 8388038), (34, 7401210), (51, 4934140), (60, 4194019), (68, 3700605), (85, 2960484), (102, 2467070), (170, 1480242), (204, 1233535), (255, 986828), (340, 740121), (510, 493414), (1020, 246707)]