3874780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2129}}^1$

素因数の和:2158

約数の個数: 48

約数和(自身を含む): 10019520

約数和(自身を除く): 6144740

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 2129, 4258, 8516, 10645, 14903, 21290, 27677, 29806, 42580, 55354, 59612, 74515, 110708, 138385, 149030, 193739, 276770, 298060, 387478, 553540, 774956, 968695, 1937390, 3874780]

約数ペア:

[(1, 3874780), (2, 1937390), (4, 968695), (5, 774956), (7, 553540), (10, 387478), (13, 298060), (14, 276770), (20, 193739), (26, 149030), (28, 138385), (35, 110708), (52, 74515), (65, 59612), (70, 55354), (91, 42580), (130, 29806), (140, 27677), (182, 21290), (260, 14903), (364, 10645), (455, 8516), (910, 4258), (1820, 2129)]