270978890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{297779}}^1$

素因数の和:297806

約数の個数: 32

約数和(自身を含む): 600324480

約数和(自身を除く): 329345590

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 297779, 595558, 1488895, 2084453, 2977790, 3871127, 4168906, 7742254, 10422265, 19355635, 20844530, 27097889, 38711270, 54195778, 135489445, 270978890]

約数ペア:

[(1, 270978890), (2, 135489445), (5, 54195778), (7, 38711270), (10, 27097889), (13, 20844530), (14, 19355635), (26, 10422265), (35, 7742254), (65, 4168906), (70, 3871127), (91, 2977790), (130, 2084453), (182, 1488895), (455, 595558), (910, 297779)]