280712908

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{277}}^1\times {\mathrm{2129}}^1$

素因数の和:2434

約数の個数: 48

約数和(自身を含む): 596877120

約数和(自身を除く): 316164212

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 277, 476, 554, 1108, 1939, 2129, 3878, 4258, 4709, 7756, 8516, 9418, 14903, 18836, 29806, 32963, 36193, 59612, 65926, 72386, 131852, 144772, 253351, 506702, 589733, 1013404, 1179466, 2358932, 4128131, 8256262, 10025461, 16512524, 20050922, 40101844, 70178227, 140356454, 280712908]

約数ペア:

[(1, 280712908), (2, 140356454), (4, 70178227), (7, 40101844), (14, 20050922), (17, 16512524), (28, 10025461), (34, 8256262), (68, 4128131), (119, 2358932), (238, 1179466), (277, 1013404), (476, 589733), (554, 506702), (1108, 253351), (1939, 144772), (2129, 131852), (3878, 72386), (4258, 65926), (4709, 59612), (7756, 36193), (8516, 32963), (9418, 29806), (14903, 18836)]