68974780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{397}}^1$

素因数の和:503

約数の個数: 96

約数和(自身を含む): 178125696

約数和(自身を除く): 109150916

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 73, 85, 119, 140, 146, 170, 238, 292, 340, 365, 397, 476, 511, 595, 730, 794, 1022, 1190, 1241, 1460, 1588, 1985, 2044, 2380, 2482, 2555, 2779, 3970, 4964, 5110, 5558, 6205, 6749, 7940, 8687, 10220, 11116, 12410, 13498, 13895, 17374, 24820, 26996, 27790, 28981, 33745, 34748, 43435, 47243, 55580, 57962, 67490, 86870, 94486, 115924, 134980, 144905, 173740, 188972, 202867, 236215, 289810, 405734, 472430, 492677, 579620, 811468, 944860, 985354, 1014335, 1970708, 2028670, 2463385, 3448739, 4057340, 4926770, 6897478, 9853540, 13794956, 17243695, 34487390, 68974780]

約数ペア:

[(1, 68974780), (2, 34487390), (4, 17243695), (5, 13794956), (7, 9853540), (10, 6897478), (14, 4926770), (17, 4057340), (20, 3448739), (28, 2463385), (34, 2028670), (35, 1970708), (68, 1014335), (70, 985354), (73, 944860), (85, 811468), (119, 579620), (140, 492677), (146, 472430), (170, 405734), (238, 289810), (292, 236215), (340, 202867), (365, 188972), (397, 173740), (476, 144905), (511, 134980), (595, 115924), (730, 94486), (794, 86870), (1022, 67490), (1190, 57962), (1241, 55580), (1460, 47243), (1588, 43435), (1985, 34748), (2044, 33745), (2380, 28981), (2482, 27790), (2555, 26996), (2779, 24820), (3970, 17374), (4964, 13895), (5110, 13498), (5558, 12410), (6205, 11116), (6749, 10220), (7940, 8687)]