31757740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{11939}}^1$

素因数の和:11974

約数の個数: 48

約数和(自身を含む): 80236800

約数和(自身を除く): 48479060

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 11939, 23878, 47756, 59695, 83573, 119390, 167146, 226841, 238780, 334292, 417865, 453682, 835730, 907364, 1134205, 1587887, 1671460, 2268410, 3175774, 4536820, 6351548, 7939435, 15878870, 31757740]

約数ペア:

[(1, 31757740), (2, 15878870), (4, 7939435), (5, 6351548), (7, 4536820), (10, 3175774), (14, 2268410), (19, 1671460), (20, 1587887), (28, 1134205), (35, 907364), (38, 835730), (70, 453682), (76, 417865), (95, 334292), (133, 238780), (140, 226841), (190, 167146), (266, 119390), (380, 83573), (532, 59695), (665, 47756), (1330, 23878), (2660, 11939)]