138368940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1\times {\mathrm{353}}^1$

素因数の和:551

約数の個数: 96

約数和(自身を含む): 399651840

約数和(自身を除く): 261282900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 47, 60, 94, 139, 141, 188, 235, 278, 282, 353, 417, 470, 556, 564, 695, 705, 706, 834, 940, 1059, 1390, 1410, 1412, 1668, 1765, 2085, 2118, 2780, 2820, 3530, 4170, 4236, 5295, 6533, 7060, 8340, 10590, 13066, 16591, 19599, 21180, 26132, 32665, 33182, 39198, 49067, 49773, 65330, 66364, 78396, 82955, 97995, 98134, 99546, 130660, 147201, 165910, 195990, 196268, 199092, 245335, 248865, 294402, 331820, 391980, 490670, 497730, 588804, 736005, 981340, 995460, 1472010, 2306149, 2944020, 4612298, 6918447, 9224596, 11530745, 13836894, 23061490, 27673788, 34592235, 46122980, 69184470, 138368940]

約数ペア:

[(1, 138368940), (2, 69184470), (3, 46122980), (4, 34592235), (5, 27673788), (6, 23061490), (10, 13836894), (12, 11530745), (15, 9224596), (20, 6918447), (30, 4612298), (47, 2944020), (60, 2306149), (94, 1472010), (139, 995460), (141, 981340), (188, 736005), (235, 588804), (278, 497730), (282, 490670), (353, 391980), (417, 331820), (470, 294402), (556, 248865), (564, 245335), (695, 199092), (705, 196268), (706, 195990), (834, 165910), (940, 147201), (1059, 130660), (1390, 99546), (1410, 98134), (1412, 97995), (1668, 82955), (1765, 78396), (2085, 66364), (2118, 65330), (2780, 49773), (2820, 49067), (3530, 39198), (4170, 33182), (4236, 32665), (5295, 26132), (6533, 21180), (7060, 19599), (8340, 16591), (10590, 13066)]