512507940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{1220257}}^1$

素因数の和:1220276

約数の個数: 48

約数和(自身を含む): 1640026752

約数和(自身を除く): 1127518812

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 1220257, 2440514, 3660771, 4881028, 6101285, 7321542, 8541799, 12202570, 14643084, 17083598, 18303855, 24405140, 25625397, 34167196, 36607710, 42708995, 51250794, 73215420, 85417990, 102501588, 128126985, 170835980, 256253970, 512507940]

約数ペア:

[(1, 512507940), (2, 256253970), (3, 170835980), (4, 128126985), (5, 102501588), (6, 85417990), (7, 73215420), (10, 51250794), (12, 42708995), (14, 36607710), (15, 34167196), (20, 25625397), (21, 24405140), (28, 18303855), (30, 17083598), (35, 14643084), (42, 12202570), (60, 8541799), (70, 7321542), (84, 6101285), (105, 4881028), (140, 3660771), (210, 2440514), (420, 1220257)]