2718140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{311}}^1$

素因数の和:362

約数の個数: 48

約数和(自身を含む): 6289920

約数和(自身を除く): 3571780

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 38, 46, 76, 92, 95, 115, 190, 230, 311, 380, 437, 460, 622, 874, 1244, 1555, 1748, 2185, 3110, 4370, 5909, 6220, 7153, 8740, 11818, 14306, 23636, 28612, 29545, 35765, 59090, 71530, 118180, 135907, 143060, 271814, 543628, 679535, 1359070, 2718140]

約数ペア:

[(1, 2718140), (2, 1359070), (4, 679535), (5, 543628), (10, 271814), (19, 143060), (20, 135907), (23, 118180), (38, 71530), (46, 59090), (76, 35765), (92, 29545), (95, 28612), (115, 23636), (190, 14306), (230, 11818), (311, 8740), (380, 7153), (437, 6220), (460, 5909), (622, 4370), (874, 3110), (1244, 2185), (1555, 1748)]