2129702980

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{401}}^1\times {\mathrm{7177}}^1$

素因数の和:7624

約数の個数: 48

約数和(自身を含む): 4605347376

約数和(自身を除く): 2475644396

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 401, 740, 802, 1604, 2005, 4010, 7177, 8020, 14354, 14837, 28708, 29674, 35885, 59348, 71770, 74185, 143540, 148370, 265549, 296740, 531098, 1062196, 1327745, 2655490, 2877977, 5310980, 5755954, 11511908, 14389885, 28779770, 57559540, 106485149, 212970298, 425940596, 532425745, 1064851490, 2129702980]

約数ペア:

[(1, 2129702980), (2, 1064851490), (4, 532425745), (5, 425940596), (10, 212970298), (20, 106485149), (37, 57559540), (74, 28779770), (148, 14389885), (185, 11511908), (370, 5755954), (401, 5310980), (740, 2877977), (802, 2655490), (1604, 1327745), (2005, 1062196), (4010, 531098), (7177, 296740), (8020, 265549), (14354, 148370), (14837, 143540), (28708, 74185), (29674, 71770), (35885, 59348)]