65290540

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{3919}}^1$

素因数の和:3959

約数の個数: 72

約数和(自身を含む): 168920640

約数和(自身を除く): 103630100

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 49, 68, 70, 85, 98, 119, 140, 170, 196, 238, 245, 340, 476, 490, 595, 833, 980, 1190, 1666, 2380, 3332, 3919, 4165, 7838, 8330, 15676, 16660, 19595, 27433, 39190, 54866, 66623, 78380, 109732, 133246, 137165, 192031, 266492, 274330, 333115, 384062, 466361, 548660, 666230, 768124, 932722, 960155, 1332460, 1865444, 1920310, 2331805, 3264527, 3840620, 4663610, 6529054, 9327220, 13058108, 16322635, 32645270, 65290540]

約数ペア:

[(1, 65290540), (2, 32645270), (4, 16322635), (5, 13058108), (7, 9327220), (10, 6529054), (14, 4663610), (17, 3840620), (20, 3264527), (28, 2331805), (34, 1920310), (35, 1865444), (49, 1332460), (68, 960155), (70, 932722), (85, 768124), (98, 666230), (119, 548660), (140, 466361), (170, 384062), (196, 333115), (238, 274330), (245, 266492), (340, 192031), (476, 137165), (490, 133246), (595, 109732), (833, 78380), (980, 66623), (1190, 54866), (1666, 39190), (2380, 27433), (3332, 19595), (3919, 16660), (4165, 15676), (7838, 8330)]