559676540

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{11243}}^1$

素因数の和:11402

約数の個数: 48

約数和(自身を含む): 1246734720

約数和(自身を除く): 687058180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 131, 190, 262, 380, 524, 655, 1310, 2489, 2620, 4978, 9956, 11243, 12445, 22486, 24890, 44972, 49780, 56215, 112430, 213617, 224860, 427234, 854468, 1068085, 1472833, 2136170, 2945666, 4272340, 5891332, 7364165, 14728330, 27983827, 29456660, 55967654, 111935308, 139919135, 279838270, 559676540]

約数ペア:

[(1, 559676540), (2, 279838270), (4, 139919135), (5, 111935308), (10, 55967654), (19, 29456660), (20, 27983827), (38, 14728330), (76, 7364165), (95, 5891332), (131, 4272340), (190, 2945666), (262, 2136170), (380, 1472833), (524, 1068085), (655, 854468), (1310, 427234), (2489, 224860), (2620, 213617), (4978, 112430), (9956, 56215), (11243, 49780), (12445, 44972), (22486, 24890)]