261630700

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{2281}}^1$

素因数の和:2363

約数の個数: 72

約数和(自身を含む): 602155904

約数和(自身を除く): 340525204

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 37, 50, 62, 74, 100, 124, 148, 155, 185, 310, 370, 620, 740, 775, 925, 1147, 1550, 1850, 2281, 2294, 3100, 3700, 4562, 4588, 5735, 9124, 11405, 11470, 22810, 22940, 28675, 45620, 57025, 57350, 70711, 84397, 114050, 114700, 141422, 168794, 228100, 282844, 337588, 353555, 421985, 707110, 843970, 1414220, 1687940, 1767775, 2109925, 2616307, 3535550, 4219850, 5232614, 7071100, 8439700, 10465228, 13081535, 26163070, 52326140, 65407675, 130815350, 261630700]

約数ペア:

[(1, 261630700), (2, 130815350), (4, 65407675), (5, 52326140), (10, 26163070), (20, 13081535), (25, 10465228), (31, 8439700), (37, 7071100), (50, 5232614), (62, 4219850), (74, 3535550), (100, 2616307), (124, 2109925), (148, 1767775), (155, 1687940), (185, 1414220), (310, 843970), (370, 707110), (620, 421985), (740, 353555), (775, 337588), (925, 282844), (1147, 228100), (1550, 168794), (1850, 141422), (2281, 114700), (2294, 114050), (3100, 84397), (3700, 70711), (4562, 57350), (4588, 57025), (5735, 45620), (9124, 28675), (11405, 22940), (11470, 22810)]