138380680

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{1033}}^1$

素因数の和:1258

約数の個数: 64

約数和(自身を含む): 331665840

約数和(自身を除く): 193285160

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 197, 340, 394, 680, 788, 985, 1033, 1576, 1970, 2066, 3349, 3940, 4132, 5165, 6698, 7880, 8264, 10330, 13396, 16745, 17561, 20660, 26792, 33490, 35122, 41320, 66980, 70244, 87805, 133960, 140488, 175610, 203501, 351220, 407002, 702440, 814004, 1017505, 1628008, 2035010, 3459517, 4070020, 6919034, 8140040, 13838068, 17297585, 27676136, 34595170, 69190340, 138380680]

約数ペア:

[(1, 138380680), (2, 69190340), (4, 34595170), (5, 27676136), (8, 17297585), (10, 13838068), (17, 8140040), (20, 6919034), (34, 4070020), (40, 3459517), (68, 2035010), (85, 1628008), (136, 1017505), (170, 814004), (197, 702440), (340, 407002), (394, 351220), (680, 203501), (788, 175610), (985, 140488), (1033, 133960), (1576, 87805), (1970, 70244), (2066, 66980), (3349, 41320), (3940, 35122), (4132, 33490), (5165, 26792), (6698, 20660), (7880, 17561), (8264, 16745), (10330, 13396)]