1294389780500

素因数分解:

$2^2\times 5^3\times {\mathrm{197}}^1\times {\mathrm{13141013}}^1$

素因数の和:13141229

約数の個数: 48

約数和(自身を含む): 2841297483024

約数和(自身を除く): 1546907702524

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 197, 250, 394, 500, 788, 985, 1970, 3940, 4925, 9850, 19700, 24625, 49250, 98500, 13141013, 26282026, 52564052, 65705065, 131410130, 262820260, 328525325, 657050650, 1314101300, 1642626625, 2588779561, 3285253250, 5177559122, 6570506500, 10355118244, 12943897805, 25887795610, 51775591220, 64719489025, 129438978050, 258877956100, 323597445125, 647194890250, 1294389780500]

約数ペア:

[(1, 1294389780500), (2, 647194890250), (4, 323597445125), (5, 258877956100), (10, 129438978050), (20, 64719489025), (25, 51775591220), (50, 25887795610), (100, 12943897805), (125, 10355118244), (197, 6570506500), (250, 5177559122), (394, 3285253250), (500, 2588779561), (788, 1642626625), (985, 1314101300), (1970, 657050650), (3940, 328525325), (4925, 262820260), (9850, 131410130), (19700, 65705065), (24625, 52564052), (49250, 26282026), (98500, 13141013)]