202116520

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{151}}^1\times {\mathrm{307}}^1$

素因数の和:578

約数の個数: 64

約数和(自身を含む): 463478400

約数和(自身を除く): 261361880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 151, 218, 302, 307, 436, 545, 604, 614, 755, 872, 1090, 1208, 1228, 1510, 1535, 2180, 2456, 3020, 3070, 4360, 6040, 6140, 12280, 16459, 32918, 33463, 46357, 65836, 66926, 82295, 92714, 131672, 133852, 164590, 167315, 185428, 231785, 267704, 329180, 334630, 370856, 463570, 658360, 669260, 927140, 1338520, 1854280, 5052913, 10105826, 20211652, 25264565, 40423304, 50529130, 101058260, 202116520]

約数ペア:

[(1, 202116520), (2, 101058260), (4, 50529130), (5, 40423304), (8, 25264565), (10, 20211652), (20, 10105826), (40, 5052913), (109, 1854280), (151, 1338520), (218, 927140), (302, 669260), (307, 658360), (436, 463570), (545, 370856), (604, 334630), (614, 329180), (755, 267704), (872, 231785), (1090, 185428), (1208, 167315), (1228, 164590), (1510, 133852), (1535, 131672), (2180, 92714), (2456, 82295), (3020, 66926), (3070, 65836), (4360, 46357), (6040, 33463), (6140, 32918), (12280, 16459)]