200020660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{317}}^1\times {\mathrm{4507}}^1$

素因数の和:4840

約数の個数: 48

約数和(自身を含む): 481670784

約数和(自身を除く): 281650124

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 317, 634, 1268, 1585, 2219, 3170, 4438, 4507, 6340, 8876, 9014, 11095, 18028, 22190, 22535, 31549, 44380, 45070, 63098, 90140, 126196, 157745, 315490, 630980, 1428719, 2857438, 5714876, 7143595, 10001033, 14287190, 20002066, 28574380, 40004132, 50005165, 100010330, 200020660]

約数ペア:

[(1, 200020660), (2, 100010330), (4, 50005165), (5, 40004132), (7, 28574380), (10, 20002066), (14, 14287190), (20, 10001033), (28, 7143595), (35, 5714876), (70, 2857438), (140, 1428719), (317, 630980), (634, 315490), (1268, 157745), (1585, 126196), (2219, 90140), (3170, 63098), (4438, 45070), (4507, 44380), (6340, 31549), (8876, 22535), (9014, 22190), (11095, 18028)]