156727580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{2137}}^1$

素因数の和:2358

約数の個数: 48

約数和(自身を含む): 348408480

約数和(自身を除く): 191680900

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 193, 380, 386, 772, 965, 1930, 2137, 3667, 3860, 4274, 7334, 8548, 10685, 14668, 18335, 21370, 36670, 40603, 42740, 73340, 81206, 162412, 203015, 406030, 412441, 812060, 824882, 1649764, 2062205, 4124410, 7836379, 8248820, 15672758, 31345516, 39181895, 78363790, 156727580]

約数ペア:

[(1, 156727580), (2, 78363790), (4, 39181895), (5, 31345516), (10, 15672758), (19, 8248820), (20, 7836379), (38, 4124410), (76, 2062205), (95, 1649764), (190, 824882), (193, 812060), (380, 412441), (386, 406030), (772, 203015), (965, 162412), (1930, 81206), (2137, 73340), (3667, 42740), (3860, 40603), (4274, 36670), (7334, 21370), (8548, 18335), (10685, 14668)]