84456820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{3701}}^1$

素因数の和:3880

約数の個数: 48

約数和(自身を含む): 203995008

約数和(自身を除く): 119538188

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 163, 326, 652, 815, 1141, 1630, 2282, 3260, 3701, 4564, 5705, 7402, 11410, 14804, 18505, 22820, 25907, 37010, 51814, 74020, 103628, 129535, 259070, 518140, 603263, 1206526, 2413052, 3016315, 4222841, 6032630, 8445682, 12065260, 16891364, 21114205, 42228410, 84456820]

約数ペア:

[(1, 84456820), (2, 42228410), (4, 21114205), (5, 16891364), (7, 12065260), (10, 8445682), (14, 6032630), (20, 4222841), (28, 3016315), (35, 2413052), (70, 1206526), (140, 603263), (163, 518140), (326, 259070), (652, 129535), (815, 103628), (1141, 74020), (1630, 51814), (2282, 37010), (3260, 25907), (3701, 22820), (4564, 18505), (5705, 14804), (7402, 11410)]