440602020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{128831}}^1$

素因数の和:128865

約数の個数: 72

約数和(自身を含む): 1406845440

約数和(自身を除く): 966243420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 128831, 257662, 386493, 515324, 644155, 772986, 1159479, 1288310, 1545972, 1932465, 2318958, 2447789, 2576620, 3864930, 4637916, 4895578, 5797395, 7343367, 7729860, 9791156, 11594790, 12238945, 14686734, 22030101, 23189580, 24477890, 29373468, 36716835, 44060202, 48955780, 73433670, 88120404, 110150505, 146867340, 220301010, 440602020]

約数ペア:

[(1, 440602020), (2, 220301010), (3, 146867340), (4, 110150505), (5, 88120404), (6, 73433670), (9, 48955780), (10, 44060202), (12, 36716835), (15, 29373468), (18, 24477890), (19, 23189580), (20, 22030101), (30, 14686734), (36, 12238945), (38, 11594790), (45, 9791156), (57, 7729860), (60, 7343367), (76, 5797395), (90, 4895578), (95, 4637916), (114, 3864930), (171, 2576620), (180, 2447789), (190, 2318958), (228, 1932465), (285, 1545972), (342, 1288310), (380, 1159479), (570, 772986), (684, 644155), (855, 515324), (1140, 386493), (1710, 257662), (3420, 128831)]