3431740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{197}}^1$

素因数の和:286

約数の個数: 48

約数和(自身を含む): 7916832

約数和(自身を除く): 4485092

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 67, 130, 134, 197, 260, 268, 335, 394, 670, 788, 871, 985, 1340, 1742, 1970, 2561, 3484, 3940, 4355, 5122, 8710, 10244, 12805, 13199, 17420, 25610, 26398, 51220, 52796, 65995, 131990, 171587, 263980, 343174, 686348, 857935, 1715870, 3431740]

約数ペア:

[(1, 3431740), (2, 1715870), (4, 857935), (5, 686348), (10, 343174), (13, 263980), (20, 171587), (26, 131990), (52, 65995), (65, 52796), (67, 51220), (130, 26398), (134, 25610), (197, 17420), (260, 13199), (268, 12805), (335, 10244), (394, 8710), (670, 5122), (788, 4355), (871, 3940), (985, 3484), (1340, 2561), (1742, 1970)]