42789880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{152821}}^1$

素因数の和:152839

約数の個数: 32

約数和(自身を含む): 110031840

約数和(自身を除く): 67241960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 152821, 305642, 611284, 764105, 1069747, 1222568, 1528210, 2139494, 3056420, 4278988, 5348735, 6112840, 8557976, 10697470, 21394940, 42789880]

約数ペア:

[(1, 42789880), (2, 21394940), (4, 10697470), (5, 8557976), (7, 6112840), (8, 5348735), (10, 4278988), (14, 3056420), (20, 2139494), (28, 1528210), (35, 1222568), (40, 1069747), (56, 764105), (70, 611284), (140, 305642), (280, 152821)]