78801740

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{1583}}^1$

素因数の和:1742

約数の個数: 48

約数和(自身を含む): 175633920

約数和(自身を除く): 96832180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 131, 190, 262, 380, 524, 655, 1310, 1583, 2489, 2620, 3166, 4978, 6332, 7915, 9956, 12445, 15830, 24890, 30077, 31660, 49780, 60154, 120308, 150385, 207373, 300770, 414746, 601540, 829492, 1036865, 2073730, 3940087, 4147460, 7880174, 15760348, 19700435, 39400870, 78801740]

約数ペア:

[(1, 78801740), (2, 39400870), (4, 19700435), (5, 15760348), (10, 7880174), (19, 4147460), (20, 3940087), (38, 2073730), (76, 1036865), (95, 829492), (131, 601540), (190, 414746), (262, 300770), (380, 207373), (524, 150385), (655, 120308), (1310, 60154), (1583, 49780), (2489, 31660), (2620, 30077), (3166, 24890), (4978, 15830), (6332, 12445), (7915, 9956)]