941780

素因数分解:

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

素因数の和:85

約数の個数: 54

約数和(自身を含む): 2377242

約数和(自身を除く): 1435462

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 49, 62, 70, 98, 124, 140, 155, 196, 217, 245, 310, 434, 490, 620, 868, 961, 980, 1085, 1519, 1922, 2170, 3038, 3844, 4340, 4805, 6076, 6727, 7595, 9610, 13454, 15190, 19220, 26908, 30380, 33635, 47089, 67270, 94178, 134540, 188356, 235445, 470890, 941780]

約数ペア:

[(1, 941780), (2, 470890), (4, 235445), (5, 188356), (7, 134540), (10, 94178), (14, 67270), (20, 47089), (28, 33635), (31, 30380), (35, 26908), (49, 19220), (62, 15190), (70, 13454), (98, 9610), (124, 7595), (140, 6727), (155, 6076), (196, 4805), (217, 4340), (245, 3844), (310, 3038), (434, 2170), (490, 1922), (620, 1519), (868, 1085), (961, 980)]