131183140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{401}}^1\times {\mathrm{1487}}^1$

素因数の和:1908

約数の個数: 48

約数和(自身を含む): 301480704

約数和(自身を除く): 170297564

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 401, 802, 1487, 1604, 2005, 2974, 4010, 4411, 5948, 7435, 8020, 8822, 14870, 16357, 17644, 22055, 29740, 32714, 44110, 65428, 81785, 88220, 163570, 327140, 596287, 1192574, 2385148, 2981435, 5962870, 6559157, 11925740, 13118314, 26236628, 32795785, 65591570, 131183140]

約数ペア:

[(1, 131183140), (2, 65591570), (4, 32795785), (5, 26236628), (10, 13118314), (11, 11925740), (20, 6559157), (22, 5962870), (44, 2981435), (55, 2385148), (110, 1192574), (220, 596287), (401, 327140), (802, 163570), (1487, 88220), (1604, 81785), (2005, 65428), (2974, 44110), (4010, 32714), (4411, 29740), (5948, 22055), (7435, 17644), (8020, 16357), (8822, 14870)]