321693820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{10589}}^1$

素因数の和:10643

約数の個数: 72

約数和(自身を含む): 811278720

約数和(自身を除く): 489584900

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, 980, 1085, 1519, 2170, 3038, 4340, 6076, 7595, 10589, 15190, 21178, 30380, 42356, 52945, 74123, 105890, 148246, 211780, 296492, 328259, 370615, 518861, 656518, 741230, 1037722, 1313036, 1482460, 1641295, 2075444, 2297813, 2594305, 3282590, 4595626, 5188610, 6565180, 9191252, 10377220, 11489065, 16084691, 22978130, 32169382, 45956260, 64338764, 80423455, 160846910, 321693820]

約数ペア:

[(1, 321693820), (2, 160846910), (4, 80423455), (5, 64338764), (7, 45956260), (10, 32169382), (14, 22978130), (20, 16084691), (28, 11489065), (31, 10377220), (35, 9191252), (49, 6565180), (62, 5188610), (70, 4595626), (98, 3282590), (124, 2594305), (140, 2297813), (155, 2075444), (196, 1641295), (217, 1482460), (245, 1313036), (310, 1037722), (434, 741230), (490, 656518), (620, 518861), (868, 370615), (980, 328259), (1085, 296492), (1519, 211780), (2170, 148246), (3038, 105890), (4340, 74123), (6076, 52945), (7595, 42356), (10589, 30380), (15190, 21178)]