54079340

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{139}}^1\times {\mathrm{397}}^1$

素因数の和:559

約数の個数: 72

約数和(自身を含む): 133393680

約数和(自身を除く): 79314340

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 139, 140, 196, 245, 278, 397, 490, 556, 695, 794, 973, 980, 1390, 1588, 1946, 1985, 2779, 2780, 3892, 3970, 4865, 5558, 6811, 7940, 9730, 11116, 13622, 13895, 19453, 19460, 27244, 27790, 34055, 38906, 55183, 55580, 68110, 77812, 97265, 110366, 136220, 194530, 220732, 275915, 386281, 389060, 551830, 772562, 1103660, 1545124, 1931405, 2703967, 3862810, 5407934, 7725620, 10815868, 13519835, 27039670, 54079340]

約数ペア:

[(1, 54079340), (2, 27039670), (4, 13519835), (5, 10815868), (7, 7725620), (10, 5407934), (14, 3862810), (20, 2703967), (28, 1931405), (35, 1545124), (49, 1103660), (70, 772562), (98, 551830), (139, 389060), (140, 386281), (196, 275915), (245, 220732), (278, 194530), (397, 136220), (490, 110366), (556, 97265), (695, 77812), (794, 68110), (973, 55580), (980, 55183), (1390, 38906), (1588, 34055), (1946, 27790), (1985, 27244), (2779, 19460), (2780, 19453), (3892, 13895), (3970, 13622), (4865, 11116), (5558, 9730), (6811, 7940)]