149777740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{34511}}^1$

素因数の和:34558

約数の個数: 48

約数和(自身を含む): 371073024

約数和(自身を除く): 221295284

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, 34511, 69022, 138044, 172555, 241577, 345110, 483154, 690220, 966308, 1069841, 1207885, 2139682, 2415770, 4279364, 4831540, 5349205, 7488887, 10698410, 14977774, 21396820, 29955548, 37444435, 74888870, 149777740]

約数ペア:

[(1, 149777740), (2, 74888870), (4, 37444435), (5, 29955548), (7, 21396820), (10, 14977774), (14, 10698410), (20, 7488887), (28, 5349205), (31, 4831540), (35, 4279364), (62, 2415770), (70, 2139682), (124, 1207885), (140, 1069841), (155, 966308), (217, 690220), (310, 483154), (434, 345110), (620, 241577), (868, 172555), (1085, 138044), (2170, 69022), (4340, 34511)]