79130780

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{107}}^1\times {\mathrm{359}}^1$

素因数の和:578

約数の個数: 48

約数和(自身を含む): 169827840

約数和(自身を除く): 90697060

約数列:

[1, 2, 4, 5, 10, 20, 103, 107, 206, 214, 359, 412, 428, 515, 535, 718, 1030, 1070, 1436, 1795, 2060, 2140, 3590, 7180, 11021, 22042, 36977, 38413, 44084, 55105, 73954, 76826, 110210, 147908, 153652, 184885, 192065, 220420, 369770, 384130, 739540, 768260, 3956539, 7913078, 15826156, 19782695, 39565390, 79130780]

約数ペア:

[(1, 79130780), (2, 39565390), (4, 19782695), (5, 15826156), (10, 7913078), (20, 3956539), (103, 768260), (107, 739540), (206, 384130), (214, 369770), (359, 220420), (412, 192065), (428, 184885), (515, 153652), (535, 147908), (718, 110210), (1030, 76826), (1070, 73954), (1436, 55105), (1795, 44084), (2060, 38413), (2140, 36977), (3590, 22042), (7180, 11021)]