1200940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1$

素因数の和:202

約数の個数: 48

約数和(自身を含む): 2822400

約数和(自身を除く): 1621460

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 149, 155, 260, 298, 310, 403, 596, 620, 745, 806, 1490, 1612, 1937, 2015, 2980, 3874, 4030, 4619, 7748, 8060, 9238, 9685, 18476, 19370, 23095, 38740, 46190, 60047, 92380, 120094, 240188, 300235, 600470, 1200940]

約数ペア:

[(1, 1200940), (2, 600470), (4, 300235), (5, 240188), (10, 120094), (13, 92380), (20, 60047), (26, 46190), (31, 38740), (52, 23095), (62, 19370), (65, 18476), (124, 9685), (130, 9238), (149, 8060), (155, 7748), (260, 4619), (298, 4030), (310, 3874), (403, 2980), (596, 2015), (620, 1937), (745, 1612), (806, 1490)]