171236940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{407707}}^1$

素因数の和:407726

約数の個数: 48

約数和(自身を含む): 547959552

約数和(自身を除く): 376722612

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, 407707, 815414, 1223121, 1630828, 2038535, 2446242, 2853949, 4077070, 4892484, 5707898, 6115605, 8154140, 8561847, 11415796, 12231210, 14269745, 17123694, 24462420, 28539490, 34247388, 42809235, 57078980, 85618470, 171236940]

約数ペア:

[(1, 171236940), (2, 85618470), (3, 57078980), (4, 42809235), (5, 34247388), (6, 28539490), (7, 24462420), (10, 17123694), (12, 14269745), (14, 12231210), (15, 11415796), (20, 8561847), (21, 8154140), (28, 6115605), (30, 5707898), (35, 4892484), (42, 4077070), (60, 2853949), (70, 2446242), (84, 2038535), (105, 1630828), (140, 1223121), (210, 815414), (420, 407707)]