84859180

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{131}}^1\times {\mathrm{661}}^1$

素因数の和:815

約数の個数: 72

約数和(自身を含む): 209197296

約数和(自身を除く): 124338116

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 131, 140, 196, 245, 262, 490, 524, 655, 661, 917, 980, 1310, 1322, 1834, 2620, 2644, 3305, 3668, 4585, 4627, 6419, 6610, 9170, 9254, 12838, 13220, 18340, 18508, 23135, 25676, 32095, 32389, 46270, 64190, 64778, 86591, 92540, 128380, 129556, 161945, 173182, 323890, 346364, 432955, 606137, 647780, 865910, 1212274, 1731820, 2424548, 3030685, 4242959, 6061370, 8485918, 12122740, 16971836, 21214795, 42429590, 84859180]

約数ペア:

[(1, 84859180), (2, 42429590), (4, 21214795), (5, 16971836), (7, 12122740), (10, 8485918), (14, 6061370), (20, 4242959), (28, 3030685), (35, 2424548), (49, 1731820), (70, 1212274), (98, 865910), (131, 647780), (140, 606137), (196, 432955), (245, 346364), (262, 323890), (490, 173182), (524, 161945), (655, 129556), (661, 128380), (917, 92540), (980, 86591), (1310, 64778), (1322, 64190), (1834, 46270), (2620, 32389), (2644, 32095), (3305, 25676), (3668, 23135), (4585, 18508), (4627, 18340), (6419, 13220), (6610, 12838), (9170, 9254)]