69447980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{233}}^1\times {\mathrm{2129}}^1$

素因数の和:2378

約数の個数: 48

約数和(自身を含む): 167469120

約数和(自身を除く): 98021140

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 233, 466, 932, 1165, 1631, 2129, 2330, 3262, 4258, 4660, 6524, 8155, 8516, 10645, 14903, 16310, 21290, 29806, 32620, 42580, 59612, 74515, 149030, 298060, 496057, 992114, 1984228, 2480285, 3472399, 4960570, 6944798, 9921140, 13889596, 17361995, 34723990, 69447980]

約数ペア:

[(1, 69447980), (2, 34723990), (4, 17361995), (5, 13889596), (7, 9921140), (10, 6944798), (14, 4960570), (20, 3472399), (28, 2480285), (35, 1984228), (70, 992114), (140, 496057), (233, 298060), (466, 149030), (932, 74515), (1165, 59612), (1631, 42580), (2129, 32620), (2330, 29806), (3262, 21290), (4258, 16310), (4660, 14903), (6524, 10645), (8155, 8516)]