54754580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{1619}}^1$

素因数の和:1736

約数の個数: 48

約数和(自身を含む): 122472000

約数和(自身を除く): 67717420

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 89, 95, 178, 190, 356, 380, 445, 890, 1619, 1691, 1780, 3238, 3382, 6476, 6764, 8095, 8455, 16190, 16910, 30761, 32380, 33820, 61522, 123044, 144091, 153805, 288182, 307610, 576364, 615220, 720455, 1440910, 2737729, 2881820, 5475458, 10950916, 13688645, 27377290, 54754580]

約数ペア:

[(1, 54754580), (2, 27377290), (4, 13688645), (5, 10950916), (10, 5475458), (19, 2881820), (20, 2737729), (38, 1440910), (76, 720455), (89, 615220), (95, 576364), (178, 307610), (190, 288182), (356, 153805), (380, 144091), (445, 123044), (890, 61522), (1619, 33820), (1691, 32380), (1780, 30761), (3238, 16910), (3382, 16190), (6476, 8455), (6764, 8095)]