289312660

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{22709}}^1$

素因数の和:22745

約数の個数: 72

約数和(自身を含む): 761148360

約数和(自身を除く): 471835700

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 130, 140, 182, 196, 245, 260, 364, 455, 490, 637, 910, 980, 1274, 1820, 2548, 3185, 6370, 12740, 22709, 45418, 90836, 113545, 158963, 227090, 295217, 317926, 454180, 590434, 635852, 794815, 1112741, 1180868, 1476085, 1589630, 2066519, 2225482, 2952170, 3179260, 4133038, 4450964, 5563705, 5904340, 8266076, 10332595, 11127410, 14465633, 20665190, 22254820, 28931266, 41330380, 57862532, 72328165, 144656330, 289312660]

約数ペア:

[(1, 289312660), (2, 144656330), (4, 72328165), (5, 57862532), (7, 41330380), (10, 28931266), (13, 22254820), (14, 20665190), (20, 14465633), (26, 11127410), (28, 10332595), (35, 8266076), (49, 5904340), (52, 5563705), (65, 4450964), (70, 4133038), (91, 3179260), (98, 2952170), (130, 2225482), (140, 2066519), (182, 1589630), (196, 1476085), (245, 1180868), (260, 1112741), (364, 794815), (455, 635852), (490, 590434), (637, 454180), (910, 317926), (980, 295217), (1274, 227090), (1820, 158963), (2548, 113545), (3185, 90836), (6370, 45418), (12740, 22709)]