254534540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{57587}}^1$

素因数の和:57626

約数の個数: 48

約数和(自身を含む): 609511392

約数和(自身を除く): 354976852

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 2210, 4420, 57587, 115174, 230348, 287935, 575870, 748631, 978979, 1151740, 1497262, 1957958, 2994524, 3743155, 3915916, 4894895, 7486310, 9789790, 12726727, 14972620, 19579580, 25453454, 50906908, 63633635, 127267270, 254534540]

約数ペア:

[(1, 254534540), (2, 127267270), (4, 63633635), (5, 50906908), (10, 25453454), (13, 19579580), (17, 14972620), (20, 12726727), (26, 9789790), (34, 7486310), (52, 4894895), (65, 3915916), (68, 3743155), (85, 2994524), (130, 1957958), (170, 1497262), (221, 1151740), (260, 978979), (340, 748631), (442, 575870), (884, 287935), (1105, 230348), (2210, 115174), (4420, 57587)]