2021372350

素因数分解:

$2^1\times 5^2\times {\mathrm{199}}^1\times {\mathrm{223}}^1\times {\mathrm{911}}^1$

素因数の和:1345

約数の個数: 48

約数和(自身を含む): 3799756800

約数和(自身を除く): 1778384450

約数列:

[1, 2, 5, 10, 25, 50, 199, 223, 398, 446, 911, 995, 1115, 1822, 1990, 2230, 4555, 4975, 5575, 9110, 9950, 11150, 22775, 44377, 45550, 88754, 181289, 203153, 221885, 362578, 406306, 443770, 906445, 1015765, 1109425, 1812890, 2031530, 2218850, 4532225, 5078825, 9064450, 10157650, 40427447, 80854894, 202137235, 404274470, 1010686175, 2021372350]

約数ペア:

[(1, 2021372350), (2, 1010686175), (5, 404274470), (10, 202137235), (25, 80854894), (50, 40427447), (199, 10157650), (223, 9064450), (398, 5078825), (446, 4532225), (911, 2218850), (995, 2031530), (1115, 1812890), (1822, 1109425), (1990, 1015765), (2230, 906445), (4555, 443770), (4975, 406306), (5575, 362578), (9110, 221885), (9950, 203153), (11150, 181289), (22775, 88754), (44377, 45550)]