27899060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{349}}^1\times {\mathrm{571}}^1$

素因数の和:936

約数の個数: 48

約数和(自身を含む): 67267200

約数和(自身を除く): 39368140

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 349, 571, 698, 1142, 1396, 1745, 2284, 2443, 2855, 3490, 3997, 4886, 5710, 6980, 7994, 9772, 11420, 12215, 15988, 19985, 24430, 39970, 48860, 79940, 199279, 398558, 797116, 996395, 1394953, 1992790, 2789906, 3985580, 5579812, 6974765, 13949530, 27899060]

約数ペア:

[(1, 27899060), (2, 13949530), (4, 6974765), (5, 5579812), (7, 3985580), (10, 2789906), (14, 1992790), (20, 1394953), (28, 996395), (35, 797116), (70, 398558), (140, 199279), (349, 79940), (571, 48860), (698, 39970), (1142, 24430), (1396, 19985), (1745, 15988), (2284, 12215), (2443, 11420), (2855, 9772), (3490, 7994), (3997, 6980), (4886, 5710)]