209341620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61211}}^1$

素因数の和:61245

約数の個数: 72

約数和(自身を含む): 668435040

約数和(自身を除く): 459093420

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, 61211, 122422, 183633, 244844, 306055, 367266, 550899, 612110, 734532, 918165, 1101798, 1163009, 1224220, 1836330, 2203596, 2326018, 2754495, 3489027, 3672660, 4652036, 5508990, 5815045, 6978054, 10467081, 11017980, 11630090, 13956108, 17445135, 20934162, 23260180, 34890270, 41868324, 52335405, 69780540, 104670810, 209341620]

約数ペア:

[(1, 209341620), (2, 104670810), (3, 69780540), (4, 52335405), (5, 41868324), (6, 34890270), (9, 23260180), (10, 20934162), (12, 17445135), (15, 13956108), (18, 11630090), (19, 11017980), (20, 10467081), (30, 6978054), (36, 5815045), (38, 5508990), (45, 4652036), (57, 3672660), (60, 3489027), (76, 2754495), (90, 2326018), (95, 2203596), (114, 1836330), (171, 1224220), (180, 1163009), (190, 1101798), (228, 918165), (285, 734532), (342, 612110), (380, 550899), (570, 367266), (684, 306055), (855, 244844), (1140, 183633), (1710, 122422), (3420, 61211)]