389490640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{1193}}^1$

素因数の和:1277

約数の個数: 160

約数和(自身を含む): 1151283456

約数和(自身を除く): 761792816

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 53, 55, 56, 70, 77, 80, 88, 106, 110, 112, 140, 154, 176, 212, 220, 265, 280, 308, 371, 385, 424, 440, 530, 560, 583, 616, 742, 770, 848, 880, 1060, 1166, 1193, 1232, 1484, 1540, 1855, 2120, 2332, 2386, 2915, 2968, 3080, 3710, 4081, 4240, 4664, 4772, 5830, 5936, 5965, 6160, 7420, 8162, 8351, 9328, 9544, 11660, 11930, 13123, 14840, 16324, 16702, 19088, 20405, 23320, 23860, 26246, 29680, 32648, 33404, 40810, 41755, 46640, 47720, 52492, 63229, 65296, 65615, 66808, 81620, 83510, 91861, 95440, 104984, 126458, 131230, 133616, 163240, 167020, 183722, 209968, 252916, 262460, 316145, 326480, 334040, 367444, 442603, 459305, 505832, 524920, 632290, 668080, 695519, 734888, 885206, 918610, 1011664, 1049840, 1264580, 1391038, 1469776, 1770412, 1837220, 2213015, 2529160, 2782076, 3477595, 3540824, 3674440, 4426030, 4868633, 5058320, 5564152, 6955190, 7081648, 7348880, 8852060, 9737266, 11128304, 13910380, 17704120, 19474532, 24343165, 27820760, 35408240, 38949064, 48686330, 55641520, 77898128, 97372660, 194745320, 389490640]

約数ペア:

[(1, 389490640), (2, 194745320), (4, 97372660), (5, 77898128), (7, 55641520), (8, 48686330), (10, 38949064), (11, 35408240), (14, 27820760), (16, 24343165), (20, 19474532), (22, 17704120), (28, 13910380), (35, 11128304), (40, 9737266), (44, 8852060), (53, 7348880), (55, 7081648), (56, 6955190), (70, 5564152), (77, 5058320), (80, 4868633), (88, 4426030), (106, 3674440), (110, 3540824), (112, 3477595), (140, 2782076), (154, 2529160), (176, 2213015), (212, 1837220), (220, 1770412), (265, 1469776), (280, 1391038), (308, 1264580), (371, 1049840), (385, 1011664), (424, 918610), (440, 885206), (530, 734888), (560, 695519), (583, 668080), (616, 632290), (742, 524920), (770, 505832), (848, 459305), (880, 442603), (1060, 367444), (1166, 334040), (1193, 326480), (1232, 316145), (1484, 262460), (1540, 252916), (1855, 209968), (2120, 183722), (2332, 167020), (2386, 163240), (2915, 133616), (2968, 131230), (3080, 126458), (3710, 104984), (4081, 95440), (4240, 91861), (4664, 83510), (4772, 81620), (5830, 66808), (5936, 65615), (5965, 65296), (6160, 63229), (7420, 52492), (8162, 47720), (8351, 46640), (9328, 41755), (9544, 40810), (11660, 33404), (11930, 32648), (13123, 29680), (14840, 26246), (16324, 23860), (16702, 23320), (19088, 20405)]