78014020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{32779}}^1$

素因数の和:32812

約数の個数: 48

約数和(自身を含む): 198253440

約数和(自身を除く): 120239420

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 32779, 65558, 131116, 163895, 229453, 327790, 458906, 557243, 655580, 917812, 1114486, 1147265, 2228972, 2294530, 2786215, 3900701, 4589060, 5572430, 7801402, 11144860, 15602804, 19503505, 39007010, 78014020]

約数ペア:

[(1, 78014020), (2, 39007010), (4, 19503505), (5, 15602804), (7, 11144860), (10, 7801402), (14, 5572430), (17, 4589060), (20, 3900701), (28, 2786215), (34, 2294530), (35, 2228972), (68, 1147265), (70, 1114486), (85, 917812), (119, 655580), (140, 557243), (170, 458906), (238, 327790), (340, 229453), (476, 163895), (595, 131116), (1190, 65558), (2380, 32779)]