551401340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{127051}}^1$

素因数の和:127098

約数の個数: 48

約数和(自身を含む): 1366063104

約数和(自身を除く): 814661764

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 127051, 254102, 508204, 635255, 889357, 1270510, 1778714, 2541020, 3557428, 3938581, 4446785, 7877162, 8893570, 15754324, 17787140, 19692905, 27570067, 39385810, 55140134, 78771620, 110280268, 137850335, 275700670, 551401340]

約数ペア:

[(1, 551401340), (2, 275700670), (4, 137850335), (5, 110280268), (7, 78771620), (10, 55140134), (14, 39385810), (20, 27570067), (28, 19692905), (31, 17787140), (35, 15754324), (62, 8893570), (70, 7877162), (124, 4446785), (140, 3938581), (155, 3557428), (217, 2541020), (310, 1778714), (434, 1270510), (620, 889357), (868, 635255), (1085, 508204), (2170, 254102), (4340, 127051)]