28483420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{6563}}^1$

素因数の和:6610

約数の個数: 48

約数和(自身を含む): 70576128

約数和(自身を除く): 42092708

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 6563, 13126, 26252, 32815, 45941, 65630, 91882, 131260, 183764, 203453, 229705, 406906, 459410, 813812, 918820, 1017265, 1424171, 2034530, 2848342, 4069060, 5696684, 7120855, 14241710, 28483420]

約数ペア:

[(1, 28483420), (2, 14241710), (4, 7120855), (5, 5696684), (7, 4069060), (10, 2848342), (14, 2034530), (20, 1424171), (28, 1017265), (31, 918820), (35, 813812), (62, 459410), (70, 406906), (124, 229705), (140, 203453), (155, 183764), (217, 131260), (310, 91882), (434, 65630), (620, 45941), (868, 32815), (1085, 26252), (2170, 13126), (4340, 6563)]