551426820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{1312921}}^1$

素因数の和:1312940

約数の個数: 48

約数和(自身を含む): 1764567168

約数和(自身を除く): 1213140348

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 1312921, 2625842, 3938763, 5251684, 6564605, 7877526, 9190447, 13129210, 15755052, 18380894, 19693815, 26258420, 27571341, 36761788, 39387630, 45952235, 55142682, 78775260, 91904470, 110285364, 137856705, 183808940, 275713410, 551426820]

約数ペア:

[(1, 551426820), (2, 275713410), (3, 183808940), (4, 137856705), (5, 110285364), (6, 91904470), (7, 78775260), (10, 55142682), (12, 45952235), (14, 39387630), (15, 36761788), (20, 27571341), (21, 26258420), (28, 19693815), (30, 18380894), (35, 15755052), (42, 13129210), (60, 9190447), (70, 7877526), (84, 6564605), (105, 5251684), (140, 3938763), (210, 2625842), (420, 1312921)]