203208880

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{51839}}^1$

素因数の和:51866

約数の個数: 60

約数和(自身を含む): 549607680

約数和(自身を除く): 346398800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 51839, 103678, 207356, 259195, 362873, 414712, 518390, 725746, 829424, 1036780, 1451492, 1814365, 2073560, 2540111, 2902984, 3628730, 4147120, 5080222, 5805968, 7257460, 10160444, 12700555, 14514920, 20320888, 25401110, 29029840, 40641776, 50802220, 101604440, 203208880]

約数ペア:

[(1, 203208880), (2, 101604440), (4, 50802220), (5, 40641776), (7, 29029840), (8, 25401110), (10, 20320888), (14, 14514920), (16, 12700555), (20, 10160444), (28, 7257460), (35, 5805968), (40, 5080222), (49, 4147120), (56, 3628730), (70, 2902984), (80, 2540111), (98, 2073560), (112, 1814365), (140, 1451492), (196, 1036780), (245, 829424), (280, 725746), (392, 518390), (490, 414712), (560, 362873), (784, 259195), (980, 207356), (1960, 103678), (3920, 51839)]