7979950

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{1319}}^1$

素因数の和:1353

約数の個数: 36

約数和(自身を含む): 16327080

約数和(自身を除く): 8347130

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 121, 242, 275, 550, 605, 1210, 1319, 2638, 3025, 6050, 6595, 13190, 14509, 29018, 32975, 65950, 72545, 145090, 159599, 319198, 362725, 725450, 797995, 1595990, 3989975, 7979950]

約数ペア:

[(1, 7979950), (2, 3989975), (5, 1595990), (10, 797995), (11, 725450), (22, 362725), (25, 319198), (50, 159599), (55, 145090), (110, 72545), (121, 65950), (242, 32975), (275, 29018), (550, 14509), (605, 13190), (1210, 6595), (1319, 6050), (2638, 3025)]