1778641340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{307}}^1\times {\mathrm{1427}}^1$

素因数の和:1779

約数の個数: 96

約数和(自身を含む): 4433425920

約数和(自身を除く): 2654784580

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 307, 406, 580, 614, 812, 1015, 1228, 1427, 1535, 2030, 2149, 2854, 3070, 4060, 4298, 5708, 6140, 7135, 8596, 8903, 9989, 10745, 14270, 17806, 19978, 21490, 28540, 35612, 39956, 41383, 42980, 44515, 49945, 62321, 82766, 89030, 99890, 124642, 165532, 178060, 199780, 206915, 249284, 289681, 311605, 413830, 438089, 579362, 623210, 827660, 876178, 1158724, 1246420, 1448405, 1752356, 2190445, 2896810, 3066623, 4380890, 5793620, 6133246, 8761780, 12266492, 12704581, 15333115, 25409162, 30666230, 50818324, 61332460, 63522905, 88932067, 127045810, 177864134, 254091620, 355728268, 444660335, 889320670, 1778641340]

約数ペア:

[(1, 1778641340), (2, 889320670), (4, 444660335), (5, 355728268), (7, 254091620), (10, 177864134), (14, 127045810), (20, 88932067), (28, 63522905), (29, 61332460), (35, 50818324), (58, 30666230), (70, 25409162), (116, 15333115), (140, 12704581), (145, 12266492), (203, 8761780), (290, 6133246), (307, 5793620), (406, 4380890), (580, 3066623), (614, 2896810), (812, 2190445), (1015, 1752356), (1228, 1448405), (1427, 1246420), (1535, 1158724), (2030, 876178), (2149, 827660), (2854, 623210), (3070, 579362), (4060, 438089), (4298, 413830), (5708, 311605), (6140, 289681), (7135, 249284), (8596, 206915), (8903, 199780), (9989, 178060), (10745, 165532), (14270, 124642), (17806, 99890), (19978, 89030), (21490, 82766), (28540, 62321), (35612, 49945), (39956, 44515), (41383, 42980)]