3989348500

素因数分解:

$2^2\times 5^3\times {\mathrm{101}}^1\times {\mathrm{197}}^1\times {\mathrm{401}}^1$

素因数の和:718

約数の個数: 96

約数和(自身を含む): 8865720864

約数和(自身を除く): 4876372364

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 101, 125, 197, 202, 250, 394, 401, 404, 500, 505, 788, 802, 985, 1010, 1604, 1970, 2005, 2020, 2525, 3940, 4010, 4925, 5050, 8020, 9850, 10025, 10100, 12625, 19700, 19897, 20050, 24625, 25250, 39794, 40100, 40501, 49250, 50125, 50500, 78997, 79588, 81002, 98500, 99485, 100250, 157994, 162004, 198970, 200500, 202505, 315988, 394985, 397940, 405010, 497425, 789970, 810020, 994850, 1012525, 1579940, 1974925, 1989700, 2025050, 2487125, 3949850, 4050100, 4974250, 5062625, 7899700, 7978697, 9874625, 9948500, 10125250, 15957394, 19749250, 20250500, 31914788, 39498500, 39893485, 79786970, 159573940, 199467425, 398934850, 797869700, 997337125, 1994674250, 3989348500]

約数ペア:

[(1, 3989348500), (2, 1994674250), (4, 997337125), (5, 797869700), (10, 398934850), (20, 199467425), (25, 159573940), (50, 79786970), (100, 39893485), (101, 39498500), (125, 31914788), (197, 20250500), (202, 19749250), (250, 15957394), (394, 10125250), (401, 9948500), (404, 9874625), (500, 7978697), (505, 7899700), (788, 5062625), (802, 4974250), (985, 4050100), (1010, 3949850), (1604, 2487125), (1970, 2025050), (2005, 1989700), (2020, 1974925), (2525, 1579940), (3940, 1012525), (4010, 994850), (4925, 810020), (5050, 789970), (8020, 497425), (9850, 405010), (10025, 397940), (10100, 394985), (12625, 315988), (19700, 202505), (19897, 200500), (20050, 198970), (24625, 162004), (25250, 157994), (39794, 100250), (40100, 99485), (40501, 98500), (49250, 81002), (50125, 79588), (50500, 78997)]