200356780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{17921}}^1$

素因数の和:17986

約数の個数: 48

約数和(自身を含む): 463677984

約数和(自身を除く): 263321204

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 130, 172, 215, 260, 430, 559, 860, 1118, 2236, 2795, 5590, 11180, 17921, 35842, 71684, 89605, 179210, 232973, 358420, 465946, 770603, 931892, 1164865, 1541206, 2329730, 3082412, 3853015, 4659460, 7706030, 10017839, 15412060, 20035678, 40071356, 50089195, 100178390, 200356780]

約数ペア:

[(1, 200356780), (2, 100178390), (4, 50089195), (5, 40071356), (10, 20035678), (13, 15412060), (20, 10017839), (26, 7706030), (43, 4659460), (52, 3853015), (65, 3082412), (86, 2329730), (130, 1541206), (172, 1164865), (215, 931892), (260, 770603), (430, 465946), (559, 358420), (860, 232973), (1118, 179210), (2236, 89605), (2795, 71684), (5590, 35842), (11180, 17921)]