168638690

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{353}}^1$

素因数の和:515

約数の個数: 64

約数和(自身を含む): 343170432

約数和(自身を除く): 174531742

約数列:

[1, 2, 5, 10, 11, 22, 43, 55, 86, 101, 110, 202, 215, 353, 430, 473, 505, 706, 946, 1010, 1111, 1765, 2222, 2365, 3530, 3883, 4343, 4730, 5555, 7766, 8686, 11110, 15179, 19415, 21715, 30358, 35653, 38830, 43430, 47773, 71306, 75895, 95546, 151790, 166969, 178265, 238865, 333938, 356530, 392183, 477730, 784366, 834845, 1533079, 1669690, 1960915, 3066158, 3921830, 7665395, 15330790, 16863869, 33727738, 84319345, 168638690]

約数ペア:

[(1, 168638690), (2, 84319345), (5, 33727738), (10, 16863869), (11, 15330790), (22, 7665395), (43, 3921830), (55, 3066158), (86, 1960915), (101, 1669690), (110, 1533079), (202, 834845), (215, 784366), (353, 477730), (430, 392183), (473, 356530), (505, 333938), (706, 238865), (946, 178265), (1010, 166969), (1111, 151790), (1765, 95546), (2222, 75895), (2365, 71306), (3530, 47773), (3883, 43430), (4343, 38830), (4730, 35653), (5555, 30358), (7766, 21715), (8686, 19415), (11110, 15179)]