31128370

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{433}}^1$

素因数の和:539

約数の個数: 64

約数和(自身を含む): 69995520

約数和(自身を除く): 38867150

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 79, 91, 130, 158, 182, 395, 433, 455, 553, 790, 866, 910, 1027, 1106, 2054, 2165, 2765, 3031, 4330, 5135, 5530, 5629, 6062, 7189, 10270, 11258, 14378, 15155, 28145, 30310, 34207, 35945, 39403, 56290, 68414, 71890, 78806, 171035, 197015, 239449, 342070, 394030, 444691, 478898, 889382, 1197245, 2223455, 2394490, 3112837, 4446910, 6225674, 15564185, 31128370]

約数ペア:

[(1, 31128370), (2, 15564185), (5, 6225674), (7, 4446910), (10, 3112837), (13, 2394490), (14, 2223455), (26, 1197245), (35, 889382), (65, 478898), (70, 444691), (79, 394030), (91, 342070), (130, 239449), (158, 197015), (182, 171035), (395, 78806), (433, 71890), (455, 68414), (553, 56290), (790, 39403), (866, 35945), (910, 34207), (1027, 30310), (1106, 28145), (2054, 15155), (2165, 14378), (2765, 11258), (3031, 10270), (4330, 7189), (5135, 6062), (5530, 5629)]