51237340

素因数分解:

$2^2\times 5^1\times 7^4\times {\mathrm{11}}^1\times {\mathrm{97}}^1$

素因数の和:145

約数の個数: 120

約数和(自身を含む): 138346992

約数和(自身を除く): 87109652

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 97, 98, 110, 140, 154, 194, 196, 220, 245, 308, 343, 385, 388, 485, 490, 539, 679, 686, 770, 970, 980, 1067, 1078, 1358, 1372, 1540, 1715, 1940, 2134, 2156, 2401, 2695, 2716, 3395, 3430, 3773, 4268, 4753, 4802, 5335, 5390, 6790, 6860, 7469, 7546, 9506, 9604, 10670, 10780, 12005, 13580, 14938, 15092, 18865, 19012, 21340, 23765, 24010, 26411, 29876, 33271, 37345, 37730, 47530, 48020, 52283, 52822, 66542, 74690, 75460, 95060, 104566, 105644, 132055, 133084, 149380, 166355, 209132, 232897, 261415, 264110, 332710, 365981, 465794, 522830, 528220, 665420, 731962, 931588, 1045660, 1164485, 1463924, 1829905, 2328970, 2561867, 3659810, 4657940, 5123734, 7319620, 10247468, 12809335, 25618670, 51237340]

約数ペア:

[(1, 51237340), (2, 25618670), (4, 12809335), (5, 10247468), (7, 7319620), (10, 5123734), (11, 4657940), (14, 3659810), (20, 2561867), (22, 2328970), (28, 1829905), (35, 1463924), (44, 1164485), (49, 1045660), (55, 931588), (70, 731962), (77, 665420), (97, 528220), (98, 522830), (110, 465794), (140, 365981), (154, 332710), (194, 264110), (196, 261415), (220, 232897), (245, 209132), (308, 166355), (343, 149380), (385, 133084), (388, 132055), (485, 105644), (490, 104566), (539, 95060), (679, 75460), (686, 74690), (770, 66542), (970, 52822), (980, 52283), (1067, 48020), (1078, 47530), (1358, 37730), (1372, 37345), (1540, 33271), (1715, 29876), (1940, 26411), (2134, 24010), (2156, 23765), (2401, 21340), (2695, 19012), (2716, 18865), (3395, 15092), (3430, 14938), (3773, 13580), (4268, 12005), (4753, 10780), (4802, 10670), (5335, 9604), (5390, 9506), (6790, 7546), (6860, 7469)]