129747940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{5903}}^1$

素因数の和:6076

約数の個数: 48

約数和(自身を含む): 313431552

約数和(自身を除く): 183683612

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 157, 314, 628, 785, 1099, 1570, 2198, 3140, 4396, 5495, 5903, 10990, 11806, 21980, 23612, 29515, 41321, 59030, 82642, 118060, 165284, 206605, 413210, 826420, 926771, 1853542, 3707084, 4633855, 6487397, 9267710, 12974794, 18535420, 25949588, 32436985, 64873970, 129747940]

約数ペア:

[(1, 129747940), (2, 64873970), (4, 32436985), (5, 25949588), (7, 18535420), (10, 12974794), (14, 9267710), (20, 6487397), (28, 4633855), (35, 3707084), (70, 1853542), (140, 926771), (157, 826420), (314, 413210), (628, 206605), (785, 165284), (1099, 118060), (1570, 82642), (2198, 59030), (3140, 41321), (4396, 29515), (5495, 23612), (5903, 21980), (10990, 11806)]