1211706020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2213}}^1\times {\mathrm{3911}}^1$

素因数の和:6140

約数の個数: 48

約数和(自身を含む): 2910152448

約数和(自身を除く): 1698446428

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2213, 3911, 4426, 7822, 8852, 11065, 15491, 15644, 19555, 22130, 27377, 30982, 39110, 44260, 54754, 61964, 77455, 78220, 109508, 136885, 154910, 273770, 309820, 547540, 8655043, 17310086, 34620172, 43275215, 60585301, 86550430, 121170602, 173100860, 242341204, 302926505, 605853010, 1211706020]

約数ペア:

[(1, 1211706020), (2, 605853010), (4, 302926505), (5, 242341204), (7, 173100860), (10, 121170602), (14, 86550430), (20, 60585301), (28, 43275215), (35, 34620172), (70, 17310086), (140, 8655043), (2213, 547540), (3911, 309820), (4426, 273770), (7822, 154910), (8852, 136885), (11065, 109508), (15491, 78220), (15644, 77455), (19555, 61964), (22130, 54754), (27377, 44260), (30982, 39110)]