131974640

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{131}}^1\times {\mathrm{257}}^1$

素因数の和:415

約数の個数: 120

約数和(自身を含む): 361061712

約数和(自身を除く): 229087072

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 131, 140, 196, 245, 257, 262, 280, 392, 490, 514, 524, 560, 655, 784, 917, 980, 1028, 1048, 1285, 1310, 1799, 1834, 1960, 2056, 2096, 2570, 2620, 3598, 3668, 3920, 4112, 4585, 5140, 5240, 6419, 7196, 7336, 8995, 9170, 10280, 10480, 12593, 12838, 14392, 14672, 17990, 18340, 20560, 25186, 25676, 28784, 32095, 33667, 35980, 36680, 50372, 51352, 62965, 64190, 67334, 71960, 73360, 100744, 102704, 125930, 128380, 134668, 143920, 168335, 201488, 235669, 251860, 256760, 269336, 336670, 471338, 503720, 513520, 538672, 673340, 942676, 1007440, 1178345, 1346680, 1649683, 1885352, 2356690, 2693360, 3299366, 3770704, 4713380, 6598732, 8248415, 9426760, 13197464, 16496830, 18853520, 26394928, 32993660, 65987320, 131974640]

約数ペア:

[(1, 131974640), (2, 65987320), (4, 32993660), (5, 26394928), (7, 18853520), (8, 16496830), (10, 13197464), (14, 9426760), (16, 8248415), (20, 6598732), (28, 4713380), (35, 3770704), (40, 3299366), (49, 2693360), (56, 2356690), (70, 1885352), (80, 1649683), (98, 1346680), (112, 1178345), (131, 1007440), (140, 942676), (196, 673340), (245, 538672), (257, 513520), (262, 503720), (280, 471338), (392, 336670), (490, 269336), (514, 256760), (524, 251860), (560, 235669), (655, 201488), (784, 168335), (917, 143920), (980, 134668), (1028, 128380), (1048, 125930), (1285, 102704), (1310, 100744), (1799, 73360), (1834, 71960), (1960, 67334), (2056, 64190), (2096, 62965), (2570, 51352), (2620, 50372), (3598, 36680), (3668, 35980), (3920, 33667), (4112, 32095), (4585, 28784), (5140, 25676), (5240, 25186), (6419, 20560), (7196, 18340), (7336, 17990), (8995, 14672), (9170, 14392), (10280, 12838), (10480, 12593)]