120861580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{521}}^1\times {\mathrm{1657}}^1$

素因数の和:2194

約数の個数: 48

約数和(自身を含む): 290799936

約数和(自身を除く): 169938356

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 521, 1042, 1657, 2084, 2605, 3314, 3647, 5210, 6628, 7294, 8285, 10420, 11599, 14588, 16570, 18235, 23198, 33140, 36470, 46396, 57995, 72940, 115990, 231980, 863297, 1726594, 3453188, 4316485, 6043079, 8632970, 12086158, 17265940, 24172316, 30215395, 60430790, 120861580]

約数ペア:

[(1, 120861580), (2, 60430790), (4, 30215395), (5, 24172316), (7, 17265940), (10, 12086158), (14, 8632970), (20, 6043079), (28, 4316485), (35, 3453188), (70, 1726594), (140, 863297), (521, 231980), (1042, 115990), (1657, 72940), (2084, 57995), (2605, 46396), (3314, 36470), (3647, 33140), (5210, 23198), (6628, 18235), (7294, 16570), (8285, 14588), (10420, 11599)]