213500340

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{20809}}^1$

素因数の和:20846

約数の個数: 96

約数和(自身を含む): 699216000

約数和(自身を除く): 485715660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 38, 45, 54, 57, 60, 76, 90, 95, 108, 114, 135, 171, 180, 190, 228, 270, 285, 342, 380, 513, 540, 570, 684, 855, 1026, 1140, 1710, 2052, 2565, 3420, 5130, 10260, 20809, 41618, 62427, 83236, 104045, 124854, 187281, 208090, 249708, 312135, 374562, 395371, 416180, 561843, 624270, 749124, 790742, 936405, 1123686, 1186113, 1248540, 1581484, 1872810, 1976855, 2247372, 2372226, 2809215, 3558339, 3745620, 3953710, 4744452, 5618430, 5930565, 7116678, 7907420, 10675017, 11236860, 11861130, 14233356, 17791695, 21350034, 23722260, 35583390, 42700068, 53375085, 71166780, 106750170, 213500340]

約数ペア:

[(1, 213500340), (2, 106750170), (3, 71166780), (4, 53375085), (5, 42700068), (6, 35583390), (9, 23722260), (10, 21350034), (12, 17791695), (15, 14233356), (18, 11861130), (19, 11236860), (20, 10675017), (27, 7907420), (30, 7116678), (36, 5930565), (38, 5618430), (45, 4744452), (54, 3953710), (57, 3745620), (60, 3558339), (76, 2809215), (90, 2372226), (95, 2247372), (108, 1976855), (114, 1872810), (135, 1581484), (171, 1248540), (180, 1186113), (190, 1123686), (228, 936405), (270, 790742), (285, 749124), (342, 624270), (380, 561843), (513, 416180), (540, 395371), (570, 374562), (684, 312135), (855, 249708), (1026, 208090), (1140, 187281), (1710, 124854), (2052, 104045), (2565, 83236), (3420, 62427), (5130, 41618), (10260, 20809)]