54273940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{2789}}^1$

素因数の和:2944

約数の個数: 48

約数和(自身を含む): 131241600

約数和(自身を除く): 76967660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 139, 140, 278, 556, 695, 973, 1390, 1946, 2780, 2789, 3892, 4865, 5578, 9730, 11156, 13945, 19460, 19523, 27890, 39046, 55780, 78092, 97615, 195230, 387671, 390460, 775342, 1550684, 1938355, 2713697, 3876710, 5427394, 7753420, 10854788, 13568485, 27136970, 54273940]

約数ペア:

[(1, 54273940), (2, 27136970), (4, 13568485), (5, 10854788), (7, 7753420), (10, 5427394), (14, 3876710), (20, 2713697), (28, 1938355), (35, 1550684), (70, 775342), (139, 390460), (140, 387671), (278, 195230), (556, 97615), (695, 78092), (973, 55780), (1390, 39046), (1946, 27890), (2780, 19523), (2789, 19460), (3892, 13945), (4865, 11156), (5578, 9730)]