5490940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{431}}^1$

素因数の和:467

約数の個数: 72

約数和(自身を含む): 14478912

約数和(自身を除く): 8987972

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, 431, 455, 490, 637, 862, 910, 980, 1274, 1724, 1820, 2155, 2548, 3017, 3185, 4310, 5603, 6034, 6370, 8620, 11206, 12068, 12740, 15085, 21119, 22412, 28015, 30170, 39221, 42238, 56030, 60340, 78442, 84476, 105595, 112060, 156884, 196105, 211190, 274547, 392210, 422380, 549094, 784420, 1098188, 1372735, 2745470, 5490940]

約数ペア:

[(1, 5490940), (2, 2745470), (4, 1372735), (5, 1098188), (7, 784420), (10, 549094), (13, 422380), (14, 392210), (20, 274547), (26, 211190), (28, 196105), (35, 156884), (49, 112060), (52, 105595), (65, 84476), (70, 78442), (91, 60340), (98, 56030), (130, 42238), (140, 39221), (182, 30170), (196, 28015), (245, 22412), (260, 21119), (364, 15085), (431, 12740), (455, 12068), (490, 11206), (637, 8620), (862, 6370), (910, 6034), (980, 5603), (1274, 4310), (1724, 3185), (1820, 3017), (2155, 2548)]