28497140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{7019}}^1$

素因数の和:7064

約数の個数: 48

約数和(自身を含む): 70761600

約数和(自身を除く): 42264460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 2030, 4060, 7019, 14038, 28076, 35095, 49133, 70190, 98266, 140380, 196532, 203551, 245665, 407102, 491330, 814204, 982660, 1017755, 1424857, 2035510, 2849714, 4071020, 5699428, 7124285, 14248570, 28497140]

約数ペア:

[(1, 28497140), (2, 14248570), (4, 7124285), (5, 5699428), (7, 4071020), (10, 2849714), (14, 2035510), (20, 1424857), (28, 1017755), (29, 982660), (35, 814204), (58, 491330), (70, 407102), (116, 245665), (140, 203551), (145, 196532), (203, 140380), (290, 98266), (406, 70190), (580, 49133), (812, 35095), (1015, 28076), (2030, 14038), (4060, 7019)]