210781900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{2371}}^1$

素因数の和:2519

約数の個数: 72

約数和(自身を含む): 527077376

約数和(自身を除く): 316295476

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 127, 140, 175, 254, 350, 508, 635, 700, 889, 1270, 1778, 2371, 2540, 3175, 3556, 4445, 4742, 6350, 8890, 9484, 11855, 12700, 16597, 17780, 22225, 23710, 33194, 44450, 47420, 59275, 66388, 82985, 88900, 118550, 165970, 237100, 301117, 331940, 414925, 602234, 829850, 1204468, 1505585, 1659700, 2107819, 3011170, 4215638, 6022340, 7527925, 8431276, 10539095, 15055850, 21078190, 30111700, 42156380, 52695475, 105390950, 210781900]

約数ペア:

[(1, 210781900), (2, 105390950), (4, 52695475), (5, 42156380), (7, 30111700), (10, 21078190), (14, 15055850), (20, 10539095), (25, 8431276), (28, 7527925), (35, 6022340), (50, 4215638), (70, 3011170), (100, 2107819), (127, 1659700), (140, 1505585), (175, 1204468), (254, 829850), (350, 602234), (508, 414925), (635, 331940), (700, 301117), (889, 237100), (1270, 165970), (1778, 118550), (2371, 88900), (2540, 82985), (3175, 66388), (3556, 59275), (4445, 47420), (4742, 44450), (6350, 33194), (8890, 23710), (9484, 22225), (11855, 17780), (12700, 16597)]