400740314

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{41}}^2\times {\mathrm{53}}^1\times {\mathrm{173}}^1$

素因数の和:323

約数の個数: 48

約数和(自身を含む): 679950936

約数和(自身を除く): 279210622

約数列:

[1, 2, 13, 26, 41, 53, 82, 106, 173, 346, 533, 689, 1066, 1378, 1681, 2173, 2249, 3362, 4346, 4498, 7093, 9169, 14186, 18338, 21853, 28249, 43706, 56498, 89093, 92209, 119197, 178186, 184418, 238394, 290813, 375929, 581626, 751858, 1158209, 2316418, 3780569, 4887077, 7561138, 9774154, 15413089, 30826178, 200370157, 400740314]

約数ペア:

[(1, 400740314), (2, 200370157), (13, 30826178), (26, 15413089), (41, 9774154), (53, 7561138), (82, 4887077), (106, 3780569), (173, 2316418), (346, 1158209), (533, 751858), (689, 581626), (1066, 375929), (1378, 290813), (1681, 238394), (2173, 184418), (2249, 178186), (3362, 119197), (4346, 92209), (4498, 89093), (7093, 56498), (9169, 43706), (14186, 28249), (18338, 21853)]