247317560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{337}}^1\times {\mathrm{2621}}^1$

素因数の和:2976

約数の個数: 64

約数和(自身を含む): 638089920

約数和(自身を除く): 390772360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 337, 674, 1348, 1685, 2359, 2621, 2696, 3370, 4718, 5242, 6740, 9436, 10484, 11795, 13105, 13480, 18347, 18872, 20968, 23590, 26210, 36694, 47180, 52420, 73388, 91735, 94360, 104840, 146776, 183470, 366940, 733880, 883277, 1766554, 3533108, 4416385, 6182939, 7066216, 8832770, 12365878, 17665540, 24731756, 30914695, 35331080, 49463512, 61829390, 123658780, 247317560]

約数ペア:

[(1, 247317560), (2, 123658780), (4, 61829390), (5, 49463512), (7, 35331080), (8, 30914695), (10, 24731756), (14, 17665540), (20, 12365878), (28, 8832770), (35, 7066216), (40, 6182939), (56, 4416385), (70, 3533108), (140, 1766554), (280, 883277), (337, 733880), (674, 366940), (1348, 183470), (1685, 146776), (2359, 104840), (2621, 94360), (2696, 91735), (3370, 73388), (4718, 52420), (5242, 47180), (6740, 36694), (9436, 26210), (10484, 23590), (11795, 20968), (13105, 18872), (13480, 18347)]