72142180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{6977}}^1$

素因数の和:7044

約数の個数: 48

約数和(自身を含む): 168811776

約数和(自身を除く): 96669596

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 47, 55, 94, 110, 188, 220, 235, 470, 517, 940, 1034, 2068, 2585, 5170, 6977, 10340, 13954, 27908, 34885, 69770, 76747, 139540, 153494, 306988, 327919, 383735, 655838, 767470, 1311676, 1534940, 1639595, 3279190, 3607109, 6558380, 7214218, 14428436, 18035545, 36071090, 72142180]

約数ペア:

[(1, 72142180), (2, 36071090), (4, 18035545), (5, 14428436), (10, 7214218), (11, 6558380), (20, 3607109), (22, 3279190), (44, 1639595), (47, 1534940), (55, 1311676), (94, 767470), (110, 655838), (188, 383735), (220, 327919), (235, 306988), (470, 153494), (517, 139540), (940, 76747), (1034, 69770), (2068, 34885), (2585, 27908), (5170, 13954), (6977, 10340)]