249737180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{631}}^1$

素因数の和:915

約数の個数: 96

約数和(自身を含む): 657441792

約数和(自身を除く): 407704612

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 257, 308, 385, 514, 631, 770, 1028, 1262, 1285, 1540, 1799, 2524, 2570, 2827, 3155, 3598, 4417, 5140, 5654, 6310, 6941, 7196, 8834, 8995, 11308, 12620, 13882, 14135, 17668, 17990, 19789, 22085, 27764, 28270, 34705, 35980, 39578, 44170, 48587, 56540, 69410, 79156, 88340, 97174, 98945, 138820, 162167, 194348, 197890, 242935, 324334, 395780, 485870, 648668, 810835, 971740, 1135169, 1621670, 1783837, 2270338, 3243340, 3567674, 4540676, 5675845, 7135348, 8919185, 11351690, 12486859, 17838370, 22703380, 24973718, 35676740, 49947436, 62434295, 124868590, 249737180]

約数ペア:

[(1, 249737180), (2, 124868590), (4, 62434295), (5, 49947436), (7, 35676740), (10, 24973718), (11, 22703380), (14, 17838370), (20, 12486859), (22, 11351690), (28, 8919185), (35, 7135348), (44, 5675845), (55, 4540676), (70, 3567674), (77, 3243340), (110, 2270338), (140, 1783837), (154, 1621670), (220, 1135169), (257, 971740), (308, 810835), (385, 648668), (514, 485870), (631, 395780), (770, 324334), (1028, 242935), (1262, 197890), (1285, 194348), (1540, 162167), (1799, 138820), (2524, 98945), (2570, 97174), (2827, 88340), (3155, 79156), (3598, 69410), (4417, 56540), (5140, 48587), (5654, 44170), (6310, 39578), (6941, 35980), (7196, 34705), (8834, 28270), (8995, 27764), (11308, 22085), (12620, 19789), (13882, 17990), (14135, 17668)]