89399660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{20599}}^1$

素因数の和:20646

約数の個数: 48

約数和(自身を含む): 221491200

約数和(自身を除く): 132091540

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 20599, 41198, 82396, 102995, 144193, 205990, 288386, 411980, 576772, 638569, 720965, 1277138, 1441930, 2554276, 2883860, 3192845, 4469983, 6385690, 8939966, 12771380, 17879932, 22349915, 44699830, 89399660]

約数ペア:

[(1, 89399660), (2, 44699830), (4, 22349915), (5, 17879932), (7, 12771380), (10, 8939966), (14, 6385690), (20, 4469983), (28, 3192845), (31, 2883860), (35, 2554276), (62, 1441930), (70, 1277138), (124, 720965), (140, 638569), (155, 576772), (217, 411980), (310, 288386), (434, 205990), (620, 144193), (868, 102995), (1085, 82396), (2170, 41198), (4340, 20599)]