12141380

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{359}}^1$

素因数の和:476

約数の個数: 48

約数和(自身を含む): 27216000

約数和(自身を除く): 15074620

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 89, 95, 178, 190, 356, 359, 380, 445, 718, 890, 1436, 1691, 1780, 1795, 3382, 3590, 6764, 6821, 7180, 8455, 13642, 16910, 27284, 31951, 33820, 34105, 63902, 68210, 127804, 136420, 159755, 319510, 607069, 639020, 1214138, 2428276, 3035345, 6070690, 12141380]

約数ペア:

[(1, 12141380), (2, 6070690), (4, 3035345), (5, 2428276), (10, 1214138), (19, 639020), (20, 607069), (38, 319510), (76, 159755), (89, 136420), (95, 127804), (178, 68210), (190, 63902), (356, 34105), (359, 33820), (380, 31951), (445, 27284), (718, 16910), (890, 13642), (1436, 8455), (1691, 7180), (1780, 6821), (1795, 6764), (3382, 3590)]