2173260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1249}}^1$

素因数の和:1290

約数の個数: 48

約数和(自身を含む): 6300000

約数和(自身を除く): 4126740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 58, 60, 87, 116, 145, 174, 290, 348, 435, 580, 870, 1249, 1740, 2498, 3747, 4996, 6245, 7494, 12490, 14988, 18735, 24980, 36221, 37470, 72442, 74940, 108663, 144884, 181105, 217326, 362210, 434652, 543315, 724420, 1086630, 2173260]

約数ペア:

[(1, 2173260), (2, 1086630), (3, 724420), (4, 543315), (5, 434652), (6, 362210), (10, 217326), (12, 181105), (15, 144884), (20, 108663), (29, 74940), (30, 72442), (58, 37470), (60, 36221), (87, 24980), (116, 18735), (145, 14988), (174, 12490), (290, 7494), (348, 6245), (435, 4996), (580, 3747), (870, 2498), (1249, 1740)]