27478220

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{2549}}^1$

素因数の和:2583

約数の個数: 72

約数和(自身を含む): 73256400

約数和(自身を除く): 45778180

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 245, 308, 385, 490, 539, 770, 980, 1078, 1540, 2156, 2549, 2695, 5098, 5390, 10196, 10780, 12745, 17843, 25490, 28039, 35686, 50980, 56078, 71372, 89215, 112156, 124901, 140195, 178430, 196273, 249802, 280390, 356860, 392546, 499604, 560780, 624505, 785092, 981365, 1249010, 1373911, 1962730, 2498020, 2747822, 3925460, 5495644, 6869555, 13739110, 27478220]

約数ペア:

[(1, 27478220), (2, 13739110), (4, 6869555), (5, 5495644), (7, 3925460), (10, 2747822), (11, 2498020), (14, 1962730), (20, 1373911), (22, 1249010), (28, 981365), (35, 785092), (44, 624505), (49, 560780), (55, 499604), (70, 392546), (77, 356860), (98, 280390), (110, 249802), (140, 196273), (154, 178430), (196, 140195), (220, 124901), (245, 112156), (308, 89215), (385, 71372), (490, 56078), (539, 50980), (770, 35686), (980, 28039), (1078, 25490), (1540, 17843), (2156, 12745), (2549, 10780), (2695, 10196), (5098, 5390)]