171241140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{407717}}^1$

素因数の和:407736

約数の個数: 48

約数和(自身を含む): 547972992

約数和(自身を除く): 376731852

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 407717, 815434, 1223151, 1630868, 2038585, 2446302, 2854019, 4077170, 4892604, 5708038, 6115755, 8154340, 8562057, 11416076, 12231510, 14270095, 17124114, 24463020, 28540190, 34248228, 42810285, 57080380, 85620570, 171241140]

約数ペア:

[(1, 171241140), (2, 85620570), (3, 57080380), (4, 42810285), (5, 34248228), (6, 28540190), (7, 24463020), (10, 17124114), (12, 14270095), (14, 12231510), (15, 11416076), (20, 8562057), (21, 8154340), (28, 6115755), (30, 5708038), (35, 4892604), (42, 4077170), (60, 2854019), (70, 2446302), (84, 2038585), (105, 1630868), (140, 1223151), (210, 815434), (420, 407717)]