89844440

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{1993}}^1$

素因数の和:2041

約数の個数: 96

約数和(自身を含む): 245501280

約数和(自身を除く): 155656840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 49, 56, 70, 92, 98, 115, 140, 161, 184, 196, 230, 245, 280, 322, 392, 460, 490, 644, 805, 920, 980, 1127, 1288, 1610, 1960, 1993, 2254, 3220, 3986, 4508, 5635, 6440, 7972, 9016, 9965, 11270, 13951, 15944, 19930, 22540, 27902, 39860, 45080, 45839, 55804, 69755, 79720, 91678, 97657, 111608, 139510, 183356, 195314, 229195, 279020, 320873, 366712, 390628, 458390, 488285, 558040, 641746, 781256, 916780, 976570, 1283492, 1604365, 1833560, 1953140, 2246111, 2566984, 3208730, 3906280, 4492222, 6417460, 8984444, 11230555, 12834920, 17968888, 22461110, 44922220, 89844440]

約数ペア:

[(1, 89844440), (2, 44922220), (4, 22461110), (5, 17968888), (7, 12834920), (8, 11230555), (10, 8984444), (14, 6417460), (20, 4492222), (23, 3906280), (28, 3208730), (35, 2566984), (40, 2246111), (46, 1953140), (49, 1833560), (56, 1604365), (70, 1283492), (92, 976570), (98, 916780), (115, 781256), (140, 641746), (161, 558040), (184, 488285), (196, 458390), (230, 390628), (245, 366712), (280, 320873), (322, 279020), (392, 229195), (460, 195314), (490, 183356), (644, 139510), (805, 111608), (920, 97657), (980, 91678), (1127, 79720), (1288, 69755), (1610, 55804), (1960, 45839), (1993, 45080), (2254, 39860), (3220, 27902), (3986, 22540), (4508, 19930), (5635, 15944), (6440, 13951), (7972, 11270), (9016, 9965)]