243886280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29173}}^1$

素因数の和:29214

約数の個数: 64

約数和(自身を含む): 630158400

約数和(自身を除く): 386272120

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 44, 55, 76, 88, 95, 110, 152, 190, 209, 220, 380, 418, 440, 760, 836, 1045, 1672, 2090, 4180, 8360, 29173, 58346, 116692, 145865, 233384, 291730, 320903, 554287, 583460, 641806, 1108574, 1166920, 1283612, 1604515, 2217148, 2567224, 2771435, 3209030, 4434296, 5542870, 6097157, 6418060, 11085740, 12194314, 12836120, 22171480, 24388628, 30485785, 48777256, 60971570, 121943140, 243886280]

約数ペア:

[(1, 243886280), (2, 121943140), (4, 60971570), (5, 48777256), (8, 30485785), (10, 24388628), (11, 22171480), (19, 12836120), (20, 12194314), (22, 11085740), (38, 6418060), (40, 6097157), (44, 5542870), (55, 4434296), (76, 3209030), (88, 2771435), (95, 2567224), (110, 2217148), (152, 1604515), (190, 1283612), (209, 1166920), (220, 1108574), (380, 641806), (418, 583460), (440, 554287), (760, 320903), (836, 291730), (1045, 233384), (1672, 145865), (2090, 116692), (4180, 58346), (8360, 29173)]