47999480

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1\times {\mathrm{139}}^1$

素因数の和:336

約数の個数: 64

約数和(自身を含む): 111132000

約数和(自身を除く): 63132520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 97, 139, 178, 194, 278, 356, 388, 445, 485, 556, 695, 712, 776, 890, 970, 1112, 1390, 1780, 1940, 2780, 3560, 3880, 5560, 8633, 12371, 13483, 17266, 24742, 26966, 34532, 43165, 49484, 53932, 61855, 67415, 69064, 86330, 98968, 107864, 123710, 134830, 172660, 247420, 269660, 345320, 494840, 539320, 1199987, 2399974, 4799948, 5999935, 9599896, 11999870, 23999740, 47999480]

約数ペア:

[(1, 47999480), (2, 23999740), (4, 11999870), (5, 9599896), (8, 5999935), (10, 4799948), (20, 2399974), (40, 1199987), (89, 539320), (97, 494840), (139, 345320), (178, 269660), (194, 247420), (278, 172660), (356, 134830), (388, 123710), (445, 107864), (485, 98968), (556, 86330), (695, 69064), (712, 67415), (776, 61855), (890, 53932), (970, 49484), (1112, 43165), (1390, 34532), (1780, 26966), (1940, 24742), (2780, 17266), (3560, 13483), (3880, 12371), (5560, 8633)]