131705980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{30347}}^1$

素因数の和:30394

約数の個数: 48

約数和(自身を含む): 326301696

約数和(自身を除く): 194595716

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, 30347, 60694, 121388, 151735, 212429, 303470, 424858, 606940, 849716, 940757, 1062145, 1881514, 2124290, 3763028, 4248580, 4703785, 6585299, 9407570, 13170598, 18815140, 26341196, 32926495, 65852990, 131705980]

約数ペア:

[(1, 131705980), (2, 65852990), (4, 32926495), (5, 26341196), (7, 18815140), (10, 13170598), (14, 9407570), (20, 6585299), (28, 4703785), (31, 4248580), (35, 3763028), (62, 2124290), (70, 1881514), (124, 1062145), (140, 940757), (155, 849716), (217, 606940), (310, 424858), (434, 303470), (620, 212429), (868, 151735), (1085, 121388), (2170, 60694), (4340, 30347)]