12841220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^2\times {\mathrm{67}}^1$

素因数の和:157

約数の個数: 72

約数和(自身を含む): 32147136

約数和(自身を除く): 19305916

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 67, 70, 74, 134, 140, 148, 185, 259, 268, 335, 370, 469, 518, 670, 740, 938, 1036, 1295, 1340, 1369, 1876, 2345, 2479, 2590, 2738, 4690, 4958, 5180, 5476, 6845, 9380, 9583, 9916, 12395, 13690, 17353, 19166, 24790, 27380, 34706, 38332, 47915, 49580, 69412, 86765, 91723, 95830, 173530, 183446, 191660, 347060, 366892, 458615, 642061, 917230, 1284122, 1834460, 2568244, 3210305, 6420610, 12841220]

約数ペア:

[(1, 12841220), (2, 6420610), (4, 3210305), (5, 2568244), (7, 1834460), (10, 1284122), (14, 917230), (20, 642061), (28, 458615), (35, 366892), (37, 347060), (67, 191660), (70, 183446), (74, 173530), (134, 95830), (140, 91723), (148, 86765), (185, 69412), (259, 49580), (268, 47915), (335, 38332), (370, 34706), (469, 27380), (518, 24790), (670, 19166), (740, 17353), (938, 13690), (1036, 12395), (1295, 9916), (1340, 9583), (1369, 9380), (1876, 6845), (2345, 5476), (2479, 5180), (2590, 4958), (2738, 4690)]