166325620

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{25747}}^1$

素因数の和:25792

約数の個数: 48

約数和(自身を含む): 389309760

約数和(自身を除く): 222984140

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 323, 340, 380, 646, 1292, 1615, 3230, 6460, 25747, 51494, 102988, 128735, 257470, 437699, 489193, 514940, 875398, 978386, 1750796, 1956772, 2188495, 2445965, 4376990, 4891930, 8316281, 8753980, 9783860, 16632562, 33265124, 41581405, 83162810, 166325620]

約数ペア:

[(1, 166325620), (2, 83162810), (4, 41581405), (5, 33265124), (10, 16632562), (17, 9783860), (19, 8753980), (20, 8316281), (34, 4891930), (38, 4376990), (68, 2445965), (76, 2188495), (85, 1956772), (95, 1750796), (170, 978386), (190, 875398), (323, 514940), (340, 489193), (380, 437699), (646, 257470), (1292, 128735), (1615, 102988), (3230, 51494), (6460, 25747)]