348518380

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{349}}^1\times {\mathrm{1019}}^1$

素因数の和:1391

約数の個数: 72

約数和(自身を含む): 854658000

約数和(自身を除く): 506139620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 349, 490, 698, 980, 1019, 1396, 1745, 2038, 2443, 3490, 4076, 4886, 5095, 6980, 7133, 9772, 10190, 12215, 14266, 17101, 20380, 24430, 28532, 34202, 35665, 48860, 49931, 68404, 71330, 85505, 99862, 142660, 171010, 199724, 249655, 342020, 355631, 499310, 711262, 998620, 1422524, 1778155, 2489417, 3556310, 4978834, 7112620, 9957668, 12447085, 17425919, 24894170, 34851838, 49788340, 69703676, 87129595, 174259190, 348518380]

約数ペア:

[(1, 348518380), (2, 174259190), (4, 87129595), (5, 69703676), (7, 49788340), (10, 34851838), (14, 24894170), (20, 17425919), (28, 12447085), (35, 9957668), (49, 7112620), (70, 4978834), (98, 3556310), (140, 2489417), (196, 1778155), (245, 1422524), (349, 998620), (490, 711262), (698, 499310), (980, 355631), (1019, 342020), (1396, 249655), (1745, 199724), (2038, 171010), (2443, 142660), (3490, 99862), (4076, 85505), (4886, 71330), (5095, 68404), (6980, 49931), (7133, 48860), (9772, 35665), (10190, 34202), (12215, 28532), (14266, 24430), (17101, 20380)]