280463260

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{26017}}^1$

素因数の和:26051

約数の個数: 72

約数和(自身を含む): 747445104

約数和(自身を除く): 466981844

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, 2695, 5390, 10780, 26017, 52034, 104068, 130085, 182119, 260170, 286187, 364238, 520340, 572374, 728476, 910595, 1144748, 1274833, 1430935, 1821190, 2003309, 2549666, 2861870, 3642380, 4006618, 5099332, 5723740, 6374165, 8013236, 10016545, 12748330, 14023163, 20033090, 25496660, 28046326, 40066180, 56092652, 70115815, 140231630, 280463260]

約数ペア:

[(1, 280463260), (2, 140231630), (4, 70115815), (5, 56092652), (7, 40066180), (10, 28046326), (11, 25496660), (14, 20033090), (20, 14023163), (22, 12748330), (28, 10016545), (35, 8013236), (44, 6374165), (49, 5723740), (55, 5099332), (70, 4006618), (77, 3642380), (98, 2861870), (110, 2549666), (140, 2003309), (154, 1821190), (196, 1430935), (220, 1274833), (245, 1144748), (308, 910595), (385, 728476), (490, 572374), (539, 520340), (770, 364238), (980, 286187), (1078, 260170), (1540, 182119), (2156, 130085), (2695, 104068), (5390, 52034), (10780, 26017)]