518291240

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{197}}^1$

素因数の和:351

約数の個数: 128

約数和(自身を含む): 1281756960

約数和(自身を除く): 763465720

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 53, 68, 73, 85, 106, 136, 146, 170, 197, 212, 265, 292, 340, 365, 394, 424, 530, 584, 680, 730, 788, 901, 985, 1060, 1241, 1460, 1576, 1802, 1970, 2120, 2482, 2920, 3349, 3604, 3869, 3940, 4505, 4964, 6205, 6698, 7208, 7738, 7880, 9010, 9928, 10441, 12410, 13396, 14381, 15476, 16745, 18020, 19345, 20882, 24820, 26792, 28762, 30952, 33490, 36040, 38690, 41764, 49640, 52205, 57524, 65773, 66980, 71905, 77380, 83528, 104410, 115048, 131546, 133960, 143810, 154760, 177497, 208820, 244477, 263092, 287620, 328865, 354994, 417640, 488954, 526184, 575240, 657730, 709988, 762193, 887485, 977908, 1222385, 1315460, 1419976, 1524386, 1774970, 1955816, 2444770, 2630920, 3048772, 3549940, 3810965, 4889540, 6097544, 7099880, 7621930, 9779080, 12957281, 15243860, 25914562, 30487720, 51829124, 64786405, 103658248, 129572810, 259145620, 518291240]

約数ペア:

[(1, 518291240), (2, 259145620), (4, 129572810), (5, 103658248), (8, 64786405), (10, 51829124), (17, 30487720), (20, 25914562), (34, 15243860), (40, 12957281), (53, 9779080), (68, 7621930), (73, 7099880), (85, 6097544), (106, 4889540), (136, 3810965), (146, 3549940), (170, 3048772), (197, 2630920), (212, 2444770), (265, 1955816), (292, 1774970), (340, 1524386), (365, 1419976), (394, 1315460), (424, 1222385), (530, 977908), (584, 887485), (680, 762193), (730, 709988), (788, 657730), (901, 575240), (985, 526184), (1060, 488954), (1241, 417640), (1460, 354994), (1576, 328865), (1802, 287620), (1970, 263092), (2120, 244477), (2482, 208820), (2920, 177497), (3349, 154760), (3604, 143810), (3869, 133960), (3940, 131546), (4505, 115048), (4964, 104410), (6205, 83528), (6698, 77380), (7208, 71905), (7738, 66980), (7880, 65773), (9010, 57524), (9928, 52205), (10441, 49640), (12410, 41764), (13396, 38690), (14381, 36040), (15476, 33490), (16745, 30952), (18020, 28762), (19345, 26792), (20882, 24820)]