489968675

素因数分解:

$5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{1459}}^1$

素因数の和:1596

約数の個数: 48

約数和(自身を含む): 738643200

約数和(自身を除く): 248674525

約数列:

[1, 5, 7, 19, 25, 35, 95, 101, 133, 175, 475, 505, 665, 707, 1459, 1919, 2525, 3325, 3535, 7295, 9595, 10213, 13433, 17675, 27721, 36475, 47975, 51065, 67165, 138605, 147359, 194047, 255325, 335825, 693025, 736795, 970235, 1031513, 2799821, 3683975, 4851175, 5157565, 13999105, 19598747, 25787825, 69995525, 97993735, 489968675]

約数ペア:

[(1, 489968675), (5, 97993735), (7, 69995525), (19, 25787825), (25, 19598747), (35, 13999105), (95, 5157565), (101, 4851175), (133, 3683975), (175, 2799821), (475, 1031513), (505, 970235), (665, 736795), (707, 693025), (1459, 335825), (1919, 255325), (2525, 194047), (3325, 147359), (3535, 138605), (7295, 67165), (9595, 51065), (10213, 47975), (13433, 36475), (17675, 27721)]