494931780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{392803}}^1$

素因数の和:392825

約数の個数: 72

約数和(自身を含む): 1715767872

約数和(自身を除く): 1220836092

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 392803, 785606, 1178409, 1571212, 1964015, 2356818, 2749621, 3535227, 3928030, 4713636, 5499242, 5892045, 7070454, 7856060, 8248863, 10998484, 11784090, 13748105, 14140908, 16497726, 17676135, 23568180, 24746589, 27496210, 32995452, 35352270, 41244315, 49493178, 54992420, 70704540, 82488630, 98986356, 123732945, 164977260, 247465890, 494931780]

約数ペア:

[(1, 494931780), (2, 247465890), (3, 164977260), (4, 123732945), (5, 98986356), (6, 82488630), (7, 70704540), (9, 54992420), (10, 49493178), (12, 41244315), (14, 35352270), (15, 32995452), (18, 27496210), (20, 24746589), (21, 23568180), (28, 17676135), (30, 16497726), (35, 14140908), (36, 13748105), (42, 11784090), (45, 10998484), (60, 8248863), (63, 7856060), (70, 7070454), (84, 5892045), (90, 5499242), (105, 4713636), (126, 3928030), (140, 3535227), (180, 2749621), (210, 2356818), (252, 1964015), (315, 1571212), (420, 1178409), (630, 785606), (1260, 392803)]