28546420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{29129}}^1$

素因数の和:29152

約数の個数: 36

約数和(自身を含む): 69737220

約数和(自身を除く): 41190800

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 29129, 58258, 116516, 145645, 203903, 291290, 407806, 582580, 815612, 1019515, 1427321, 2039030, 2854642, 4078060, 5709284, 7136605, 14273210, 28546420]

約数ペア:

[(1, 28546420), (2, 14273210), (4, 7136605), (5, 5709284), (7, 4078060), (10, 2854642), (14, 2039030), (20, 1427321), (28, 1019515), (35, 815612), (49, 582580), (70, 407806), (98, 291290), (140, 203903), (196, 145645), (245, 116516), (490, 58258), (980, 29129)]