219902650

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{811}}^1$

素因数の和:880

約数の個数: 96

約数和(自身を含む): 489343680

約数和(自身を除く): 269441030

約数列:

[1, 2, 5, 10, 11, 17, 22, 25, 29, 34, 50, 55, 58, 85, 110, 145, 170, 187, 275, 290, 319, 374, 425, 493, 550, 638, 725, 811, 850, 935, 986, 1450, 1595, 1622, 1870, 2465, 3190, 4055, 4675, 4930, 5423, 7975, 8110, 8921, 9350, 10846, 12325, 13787, 15950, 17842, 20275, 23519, 24650, 27115, 27574, 40550, 44605, 47038, 54230, 68935, 89210, 117595, 135575, 137870, 151657, 223025, 235190, 258709, 271150, 303314, 344675, 399823, 446050, 517418, 587975, 689350, 758285, 799646, 1175950, 1293545, 1516570, 1999115, 2587090, 3791425, 3998230, 4398053, 6467725, 7582850, 8796106, 9995575, 12935450, 19991150, 21990265, 43980530, 109951325, 219902650]

約数ペア:

[(1, 219902650), (2, 109951325), (5, 43980530), (10, 21990265), (11, 19991150), (17, 12935450), (22, 9995575), (25, 8796106), (29, 7582850), (34, 6467725), (50, 4398053), (55, 3998230), (58, 3791425), (85, 2587090), (110, 1999115), (145, 1516570), (170, 1293545), (187, 1175950), (275, 799646), (290, 758285), (319, 689350), (374, 587975), (425, 517418), (493, 446050), (550, 399823), (638, 344675), (725, 303314), (811, 271150), (850, 258709), (935, 235190), (986, 223025), (1450, 151657), (1595, 137870), (1622, 135575), (1870, 117595), (2465, 89210), (3190, 68935), (4055, 54230), (4675, 47038), (4930, 44605), (5423, 40550), (7975, 27574), (8110, 27115), (8921, 24650), (9350, 23519), (10846, 20275), (12325, 17842), (13787, 15950)]