545680

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{359}}^1$

素因数の和:391

約数の個数: 40

約数和(自身を含む): 1339200

約数和(自身を除く): 793520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 359, 380, 718, 760, 1436, 1520, 1795, 2872, 3590, 5744, 6821, 7180, 13642, 14360, 27284, 28720, 34105, 54568, 68210, 109136, 136420, 272840, 545680]

約数ペア:

[(1, 545680), (2, 272840), (4, 136420), (5, 109136), (8, 68210), (10, 54568), (16, 34105), (19, 28720), (20, 27284), (38, 14360), (40, 13642), (76, 7180), (80, 6821), (95, 5744), (152, 3590), (190, 2872), (304, 1795), (359, 1520), (380, 1436), (718, 760)]