449250620

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{197}}^1$

素因数の和:412

約数の個数: 144

約数和(自身を含む): 1194510240

約数和(自身を除く): 745259620

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 130, 140, 179, 182, 196, 197, 245, 260, 358, 364, 394, 455, 490, 637, 716, 788, 895, 910, 980, 985, 1253, 1274, 1379, 1790, 1820, 1970, 2327, 2506, 2548, 2561, 2758, 3185, 3580, 3940, 4654, 5012, 5122, 5516, 6265, 6370, 6895, 8771, 9308, 9653, 10244, 11635, 12530, 12740, 12805, 13790, 16289, 17542, 17927, 19306, 23270, 25060, 25610, 27580, 32578, 35084, 35263, 35854, 38612, 43855, 46540, 48265, 51220, 65156, 70526, 71708, 81445, 87710, 89635, 96530, 114023, 125489, 141052, 162890, 175420, 176315, 179270, 193060, 228046, 246841, 250978, 325780, 352630, 358540, 456092, 458419, 493682, 501956, 570115, 627445, 705260, 916838, 987364, 1140230, 1234205, 1254890, 1727887, 1833676, 2280460, 2292095, 2468410, 2509780, 3208933, 3455774, 4584190, 4936820, 6417866, 6911548, 8639435, 9168380, 12835732, 16044665, 17278870, 22462531, 32089330, 34557740, 44925062, 64178660, 89850124, 112312655, 224625310, 449250620]

約数ペア:

[(1, 449250620), (2, 224625310), (4, 112312655), (5, 89850124), (7, 64178660), (10, 44925062), (13, 34557740), (14, 32089330), (20, 22462531), (26, 17278870), (28, 16044665), (35, 12835732), (49, 9168380), (52, 8639435), (65, 6911548), (70, 6417866), (91, 4936820), (98, 4584190), (130, 3455774), (140, 3208933), (179, 2509780), (182, 2468410), (196, 2292095), (197, 2280460), (245, 1833676), (260, 1727887), (358, 1254890), (364, 1234205), (394, 1140230), (455, 987364), (490, 916838), (637, 705260), (716, 627445), (788, 570115), (895, 501956), (910, 493682), (980, 458419), (985, 456092), (1253, 358540), (1274, 352630), (1379, 325780), (1790, 250978), (1820, 246841), (1970, 228046), (2327, 193060), (2506, 179270), (2548, 176315), (2561, 175420), (2758, 162890), (3185, 141052), (3580, 125489), (3940, 114023), (4654, 96530), (5012, 89635), (5122, 87710), (5516, 81445), (6265, 71708), (6370, 70526), (6895, 65156), (8771, 51220), (9308, 48265), (9653, 46540), (10244, 43855), (11635, 38612), (12530, 35854), (12740, 35263), (12805, 35084), (13790, 32578), (16289, 27580), (17542, 25610), (17927, 25060), (19306, 23270)]