210487900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{389}}^1\times {\mathrm{773}}^1$

素因数の和:1183

約数の個数: 72

約数和(自身を含む): 524028960

約数和(自身を除く): 313541060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 350, 389, 700, 773, 778, 1546, 1556, 1945, 2723, 3092, 3865, 3890, 5411, 5446, 7730, 7780, 9725, 10822, 10892, 13615, 15460, 19325, 19450, 21644, 27055, 27230, 38650, 38900, 54110, 54460, 68075, 77300, 108220, 135275, 136150, 270550, 272300, 300697, 541100, 601394, 1202788, 1503485, 2104879, 3006970, 4209758, 6013940, 7517425, 8419516, 10524395, 15034850, 21048790, 30069700, 42097580, 52621975, 105243950, 210487900]

約数ペア:

[(1, 210487900), (2, 105243950), (4, 52621975), (5, 42097580), (7, 30069700), (10, 21048790), (14, 15034850), (20, 10524395), (25, 8419516), (28, 7517425), (35, 6013940), (50, 4209758), (70, 3006970), (100, 2104879), (140, 1503485), (175, 1202788), (350, 601394), (389, 541100), (700, 300697), (773, 272300), (778, 270550), (1546, 136150), (1556, 135275), (1945, 108220), (2723, 77300), (3092, 68075), (3865, 54460), (3890, 54110), (5411, 38900), (5446, 38650), (7730, 27230), (7780, 27055), (9725, 21644), (10822, 19450), (10892, 19325), (13615, 15460)]