86762620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{6389}}^1$

素因数の和:6502

約数の個数: 48

約数和(自身を含む): 210409920

約数和(自身を除く): 123647300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 97, 140, 194, 388, 485, 679, 970, 1358, 1940, 2716, 3395, 6389, 6790, 12778, 13580, 25556, 31945, 44723, 63890, 89446, 127780, 178892, 223615, 447230, 619733, 894460, 1239466, 2478932, 3098665, 4338131, 6197330, 8676262, 12394660, 17352524, 21690655, 43381310, 86762620]

約数ペア:

[(1, 86762620), (2, 43381310), (4, 21690655), (5, 17352524), (7, 12394660), (10, 8676262), (14, 6197330), (20, 4338131), (28, 3098665), (35, 2478932), (70, 1239466), (97, 894460), (140, 619733), (194, 447230), (388, 223615), (485, 178892), (679, 127780), (970, 89446), (1358, 63890), (1940, 44723), (2716, 31945), (3395, 25556), (6389, 13580), (6790, 12778)]