212810360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{157}}^1$

素因数の和:325

約数の個数: 128

約数和(自身を含む): 567889920

約数和(自身を除く): 355079560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 47, 56, 70, 94, 103, 140, 157, 188, 206, 235, 280, 314, 329, 376, 412, 470, 515, 628, 658, 721, 785, 824, 940, 1030, 1099, 1256, 1316, 1442, 1570, 1645, 1880, 2060, 2198, 2632, 2884, 3140, 3290, 3605, 4120, 4396, 4841, 5495, 5768, 6280, 6580, 7210, 7379, 8792, 9682, 10990, 13160, 14420, 14758, 16171, 19364, 21980, 24205, 28840, 29516, 32342, 33887, 36895, 38728, 43960, 48410, 51653, 59032, 64684, 67774, 73790, 80855, 96820, 103306, 113197, 129368, 135548, 147580, 161710, 169435, 193640, 206612, 226394, 258265, 271096, 295160, 323420, 338870, 413224, 452788, 516530, 565985, 646840, 677740, 760037, 905576, 1033060, 1131970, 1355480, 1520074, 2066120, 2263940, 3040148, 3800185, 4527880, 5320259, 6080296, 7600370, 10640518, 15200740, 21281036, 26601295, 30401480, 42562072, 53202590, 106405180, 212810360]

約数ペア:

[(1, 212810360), (2, 106405180), (4, 53202590), (5, 42562072), (7, 30401480), (8, 26601295), (10, 21281036), (14, 15200740), (20, 10640518), (28, 7600370), (35, 6080296), (40, 5320259), (47, 4527880), (56, 3800185), (70, 3040148), (94, 2263940), (103, 2066120), (140, 1520074), (157, 1355480), (188, 1131970), (206, 1033060), (235, 905576), (280, 760037), (314, 677740), (329, 646840), (376, 565985), (412, 516530), (470, 452788), (515, 413224), (628, 338870), (658, 323420), (721, 295160), (785, 271096), (824, 258265), (940, 226394), (1030, 206612), (1099, 193640), (1256, 169435), (1316, 161710), (1442, 147580), (1570, 135548), (1645, 129368), (1880, 113197), (2060, 103306), (2198, 96820), (2632, 80855), (2884, 73790), (3140, 67774), (3290, 64684), (3605, 59032), (4120, 51653), (4396, 48410), (4841, 43960), (5495, 38728), (5768, 36895), (6280, 33887), (6580, 32342), (7210, 29516), (7379, 28840), (8792, 24205), (9682, 21980), (10990, 19364), (13160, 16171), (14420, 14758)]