64510700

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^2\times {\mathrm{1787}}^1$

素因数の和:1839

約数の個数: 54

約数和(自身を含む): 147826476

約数和(自身を除く): 83315776

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 361, 380, 475, 722, 950, 1444, 1787, 1805, 1900, 3574, 3610, 7148, 7220, 8935, 9025, 17870, 18050, 33953, 35740, 36100, 44675, 67906, 89350, 135812, 169765, 178700, 339530, 645107, 679060, 848825, 1290214, 1697650, 2580428, 3225535, 3395300, 6451070, 12902140, 16127675, 32255350, 64510700]

約数ペア:

[(1, 64510700), (2, 32255350), (4, 16127675), (5, 12902140), (10, 6451070), (19, 3395300), (20, 3225535), (25, 2580428), (38, 1697650), (50, 1290214), (76, 848825), (95, 679060), (100, 645107), (190, 339530), (361, 178700), (380, 169765), (475, 135812), (722, 89350), (950, 67906), (1444, 44675), (1787, 36100), (1805, 35740), (1900, 33953), (3574, 18050), (3610, 17870), (7148, 9025), (7220, 8935)]