221500620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{111869}}^1$

素因数の和:111895

約数の個数: 72

約数和(自身を含む): 732972240

約数和(自身を除く): 511471620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 111869, 223738, 335607, 447476, 559345, 671214, 1006821, 1118690, 1230559, 1342428, 1678035, 2013642, 2237380, 2461118, 3356070, 3691677, 4027284, 4922236, 5034105, 6152795, 6712140, 7383354, 10068210, 11075031, 12305590, 14766708, 18458385, 20136420, 22150062, 24611180, 36916770, 44300124, 55375155, 73833540, 110750310, 221500620]

約数ペア:

[(1, 221500620), (2, 110750310), (3, 73833540), (4, 55375155), (5, 44300124), (6, 36916770), (9, 24611180), (10, 22150062), (11, 20136420), (12, 18458385), (15, 14766708), (18, 12305590), (20, 11075031), (22, 10068210), (30, 7383354), (33, 6712140), (36, 6152795), (44, 5034105), (45, 4922236), (55, 4027284), (60, 3691677), (66, 3356070), (90, 2461118), (99, 2237380), (110, 2013642), (132, 1678035), (165, 1342428), (180, 1230559), (198, 1118690), (220, 1006821), (330, 671214), (396, 559345), (495, 447476), (660, 335607), (990, 223738), (1980, 111869)]