311285570

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{9749}}^1$

素因数の和:9890

約数の個数: 32

約数和(自身を含む): 584064000

約数和(自身を除く): 272778430

約数列:

[1, 2, 5, 10, 31, 62, 103, 155, 206, 310, 515, 1030, 3193, 6386, 9749, 15965, 19498, 31930, 48745, 97490, 302219, 604438, 1004147, 1511095, 2008294, 3022190, 5020735, 10041470, 31128557, 62257114, 155642785, 311285570]

約数ペア:

[(1, 311285570), (2, 155642785), (5, 62257114), (10, 31128557), (31, 10041470), (62, 5020735), (103, 3022190), (155, 2008294), (206, 1511095), (310, 1004147), (515, 604438), (1030, 302219), (3193, 97490), (6386, 48745), (9749, 31930), (15965, 19498)]