390253556

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{229}}^1\times {\mathrm{503}}^1$

素因数の和:765

約数の個数: 72

約数和(自身を含む): 863372160

約数和(自身を除く): 473118604

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 121, 154, 229, 242, 308, 458, 484, 503, 847, 916, 1006, 1603, 1694, 2012, 2519, 3206, 3388, 3521, 5038, 5533, 6412, 7042, 10076, 11066, 14084, 17633, 22132, 27709, 35266, 38731, 55418, 60863, 70532, 77462, 110836, 115187, 121726, 154924, 193963, 230374, 243452, 387926, 426041, 460748, 775852, 806309, 852082, 1267057, 1612618, 1704164, 2534114, 3225236, 5068228, 8869399, 13937627, 17738798, 27875254, 35477596, 55750508, 97563389, 195126778, 390253556]

約数ペア:

[(1, 390253556), (2, 195126778), (4, 97563389), (7, 55750508), (11, 35477596), (14, 27875254), (22, 17738798), (28, 13937627), (44, 8869399), (77, 5068228), (121, 3225236), (154, 2534114), (229, 1704164), (242, 1612618), (308, 1267057), (458, 852082), (484, 806309), (503, 775852), (847, 460748), (916, 426041), (1006, 387926), (1603, 243452), (1694, 230374), (2012, 193963), (2519, 154924), (3206, 121726), (3388, 115187), (3521, 110836), (5038, 77462), (5533, 70532), (6412, 60863), (7042, 55418), (10076, 38731), (11066, 35266), (14084, 27709), (17633, 22132)]