85164940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{43}}^2\times {\mathrm{47}}^1$

素因数の和:156

約数の個数: 108

約数和(自身を含む): 217528416

約数和(自身を除く): 132363476

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 47, 49, 70, 86, 94, 98, 140, 172, 188, 196, 215, 235, 245, 301, 329, 430, 470, 490, 602, 658, 860, 940, 980, 1204, 1316, 1505, 1645, 1849, 2021, 2107, 2303, 3010, 3290, 3698, 4042, 4214, 4606, 6020, 6580, 7396, 8084, 8428, 9212, 9245, 10105, 10535, 11515, 12943, 14147, 18490, 20210, 21070, 23030, 25886, 28294, 36980, 40420, 42140, 46060, 51772, 56588, 64715, 70735, 86903, 90601, 99029, 129430, 141470, 173806, 181202, 198058, 258860, 282940, 347612, 362404, 396116, 434515, 453005, 495145, 608321, 869030, 906010, 990290, 1216642, 1738060, 1812020, 1980580, 2433284, 3041605, 4258247, 6083210, 8516494, 12166420, 17032988, 21291235, 42582470, 85164940]

約数ペア:

[(1, 85164940), (2, 42582470), (4, 21291235), (5, 17032988), (7, 12166420), (10, 8516494), (14, 6083210), (20, 4258247), (28, 3041605), (35, 2433284), (43, 1980580), (47, 1812020), (49, 1738060), (70, 1216642), (86, 990290), (94, 906010), (98, 869030), (140, 608321), (172, 495145), (188, 453005), (196, 434515), (215, 396116), (235, 362404), (245, 347612), (301, 282940), (329, 258860), (430, 198058), (470, 181202), (490, 173806), (602, 141470), (658, 129430), (860, 99029), (940, 90601), (980, 86903), (1204, 70735), (1316, 64715), (1505, 56588), (1645, 51772), (1849, 46060), (2021, 42140), (2107, 40420), (2303, 36980), (3010, 28294), (3290, 25886), (3698, 23030), (4042, 21070), (4214, 20210), (4606, 18490), (6020, 14147), (6580, 12943), (7396, 11515), (8084, 10535), (8428, 10105), (9212, 9245)]