489804700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{63611}}^1$

素因数の和:63643

約数の個数: 72

約数和(自身を含む): 1325165184

約数和(自身を除く): 835360484

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 25, 28, 35, 44, 50, 55, 70, 77, 100, 110, 140, 154, 175, 220, 275, 308, 350, 385, 550, 700, 770, 1100, 1540, 1925, 3850, 7700, 63611, 127222, 254444, 318055, 445277, 636110, 699721, 890554, 1272220, 1399442, 1590275, 1781108, 2226385, 2798884, 3180550, 3498605, 4452770, 4898047, 6361100, 6997210, 8905540, 9796094, 11131925, 13994420, 17493025, 19592188, 22263850, 24490235, 34986050, 44527700, 48980470, 69972100, 97960940, 122451175, 244902350, 489804700]

約数ペア:

[(1, 489804700), (2, 244902350), (4, 122451175), (5, 97960940), (7, 69972100), (10, 48980470), (11, 44527700), (14, 34986050), (20, 24490235), (22, 22263850), (25, 19592188), (28, 17493025), (35, 13994420), (44, 11131925), (50, 9796094), (55, 8905540), (70, 6997210), (77, 6361100), (100, 4898047), (110, 4452770), (140, 3498605), (154, 3180550), (175, 2798884), (220, 2226385), (275, 1781108), (308, 1590275), (350, 1399442), (385, 1272220), (550, 890554), (700, 699721), (770, 636110), (1100, 445277), (1540, 318055), (1925, 254444), (3850, 127222), (7700, 63611)]