3988460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{919}}^1$

素因数の和:966

約数の個数: 48

約数和(自身を含む): 9891840

約数和(自身を除く): 5903380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 919, 1085, 1838, 2170, 3676, 4340, 4595, 6433, 9190, 12866, 18380, 25732, 28489, 32165, 56978, 64330, 113956, 128660, 142445, 199423, 284890, 398846, 569780, 797692, 997115, 1994230, 3988460]

約数ペア:

[(1, 3988460), (2, 1994230), (4, 997115), (5, 797692), (7, 569780), (10, 398846), (14, 284890), (20, 199423), (28, 142445), (31, 128660), (35, 113956), (62, 64330), (70, 56978), (124, 32165), (140, 28489), (155, 25732), (217, 18380), (310, 12866), (434, 9190), (620, 6433), (868, 4595), (919, 4340), (1085, 3676), (1838, 2170)]