67210940

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1\times {\mathrm{563}}^1$

素因数の和:746

約数の個数: 48

約数和(自身を含む): 145539072

約数和(自身を除く): 78328132

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 127, 188, 235, 254, 470, 508, 563, 635, 940, 1126, 1270, 2252, 2540, 2815, 5630, 5969, 11260, 11938, 23876, 26461, 29845, 52922, 59690, 71501, 105844, 119380, 132305, 143002, 264610, 286004, 357505, 529220, 715010, 1430020, 3360547, 6721094, 13442188, 16802735, 33605470, 67210940]

約数ペア:

[(1, 67210940), (2, 33605470), (4, 16802735), (5, 13442188), (10, 6721094), (20, 3360547), (47, 1430020), (94, 715010), (127, 529220), (188, 357505), (235, 286004), (254, 264610), (470, 143002), (508, 132305), (563, 119380), (635, 105844), (940, 71501), (1126, 59690), (1270, 52922), (2252, 29845), (2540, 26461), (2815, 23876), (5630, 11938), (5969, 11260)]