259867580

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{283}}^1\times {\mathrm{937}}^1$

素因数の和:1243

約数の個数: 72

約数和(自身を含む): 637742448

約数和(自身を除く): 377874868

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 283, 490, 566, 937, 980, 1132, 1415, 1874, 1981, 2830, 3748, 3962, 4685, 5660, 6559, 7924, 9370, 9905, 13118, 13867, 18740, 19810, 26236, 27734, 32795, 39620, 45913, 55468, 65590, 69335, 91826, 131180, 138670, 183652, 229565, 265171, 277340, 459130, 530342, 918260, 1060684, 1325855, 1856197, 2651710, 3712394, 5303420, 7424788, 9280985, 12993379, 18561970, 25986758, 37123940, 51973516, 64966895, 129933790, 259867580]

約数ペア:

[(1, 259867580), (2, 129933790), (4, 64966895), (5, 51973516), (7, 37123940), (10, 25986758), (14, 18561970), (20, 12993379), (28, 9280985), (35, 7424788), (49, 5303420), (70, 3712394), (98, 2651710), (140, 1856197), (196, 1325855), (245, 1060684), (283, 918260), (490, 530342), (566, 459130), (937, 277340), (980, 265171), (1132, 229565), (1415, 183652), (1874, 138670), (1981, 131180), (2830, 91826), (3748, 69335), (3962, 65590), (4685, 55468), (5660, 45913), (6559, 39620), (7924, 32795), (9370, 27734), (9905, 26236), (13118, 19810), (13867, 18740)]