120939500

素因数分解:

$2^2\times 5^3\times {\mathrm{11}}^2\times {\mathrm{1999}}^1$

素因数の和:2040

約数の個数: 72

約数和(自身を含む): 290472000

約数和(自身を除く): 169532500

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 121, 125, 220, 242, 250, 275, 484, 500, 550, 605, 1100, 1210, 1375, 1999, 2420, 2750, 3025, 3998, 5500, 6050, 7996, 9995, 12100, 15125, 19990, 21989, 30250, 39980, 43978, 49975, 60500, 87956, 99950, 109945, 199900, 219890, 241879, 249875, 439780, 483758, 499750, 549725, 967516, 999500, 1099450, 1209395, 2198900, 2418790, 2748625, 4837580, 5497250, 6046975, 10994500, 12093950, 24187900, 30234875, 60469750, 120939500]

約数ペア:

[(1, 120939500), (2, 60469750), (4, 30234875), (5, 24187900), (10, 12093950), (11, 10994500), (20, 6046975), (22, 5497250), (25, 4837580), (44, 2748625), (50, 2418790), (55, 2198900), (100, 1209395), (110, 1099450), (121, 999500), (125, 967516), (220, 549725), (242, 499750), (250, 483758), (275, 439780), (484, 249875), (500, 241879), (550, 219890), (605, 199900), (1100, 109945), (1210, 99950), (1375, 87956), (1999, 60500), (2420, 49975), (2750, 43978), (3025, 39980), (3998, 30250), (5500, 21989), (6050, 19990), (7996, 15125), (9995, 12100)]