82850900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{691}}^1$

素因数の和:825

約数の個数: 72

約数和(自身を含む): 198216480

約数和(自身を除く): 115365580

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 109, 110, 218, 220, 275, 436, 545, 550, 691, 1090, 1100, 1199, 1382, 2180, 2398, 2725, 2764, 3455, 4796, 5450, 5995, 6910, 7601, 10900, 11990, 13820, 15202, 17275, 23980, 29975, 30404, 34550, 38005, 59950, 69100, 75319, 76010, 119900, 150638, 152020, 190025, 301276, 376595, 380050, 753190, 760100, 828509, 1506380, 1657018, 1882975, 3314036, 3765950, 4142545, 7531900, 8285090, 16570180, 20712725, 41425450, 82850900]

約数ペア:

[(1, 82850900), (2, 41425450), (4, 20712725), (5, 16570180), (10, 8285090), (11, 7531900), (20, 4142545), (22, 3765950), (25, 3314036), (44, 1882975), (50, 1657018), (55, 1506380), (100, 828509), (109, 760100), (110, 753190), (218, 380050), (220, 376595), (275, 301276), (436, 190025), (545, 152020), (550, 150638), (691, 119900), (1090, 76010), (1100, 75319), (1199, 69100), (1382, 59950), (2180, 38005), (2398, 34550), (2725, 30404), (2764, 29975), (3455, 23980), (4796, 17275), (5450, 15202), (5995, 13820), (6910, 11990), (7601, 10900)]