187898220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{54941}}^1$

素因数の和:54975

約数の個数: 72

約数和(自身を含む): 599966640

約数和(自身を除く): 412068420

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, 54941, 109882, 164823, 219764, 274705, 329646, 494469, 549410, 659292, 824115, 988938, 1043879, 1098820, 1648230, 1977876, 2087758, 2472345, 3131637, 3296460, 4175516, 4944690, 5219395, 6263274, 9394911, 9889380, 10438790, 12526548, 15658185, 18789822, 20877580, 31316370, 37579644, 46974555, 62632740, 93949110, 187898220]

約数ペア:

[(1, 187898220), (2, 93949110), (3, 62632740), (4, 46974555), (5, 37579644), (6, 31316370), (9, 20877580), (10, 18789822), (12, 15658185), (15, 12526548), (18, 10438790), (19, 9889380), (20, 9394911), (30, 6263274), (36, 5219395), (38, 4944690), (45, 4175516), (57, 3296460), (60, 3131637), (76, 2472345), (90, 2087758), (95, 1977876), (114, 1648230), (171, 1098820), (180, 1043879), (190, 988938), (228, 824115), (285, 659292), (342, 549410), (380, 494469), (570, 329646), (684, 274705), (855, 219764), (1140, 164823), (1710, 109882), (3420, 54941)]