28375900

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{5791}}^1$

素因数の和:5819

約数の個数: 54

約数和(自身を含む): 71641248

約数和(自身を除く): 43265348

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 140, 175, 196, 245, 350, 490, 700, 980, 1225, 2450, 4900, 5791, 11582, 23164, 28955, 40537, 57910, 81074, 115820, 144775, 162148, 202685, 283759, 289550, 405370, 567518, 579100, 810740, 1013425, 1135036, 1418795, 2026850, 2837590, 4053700, 5675180, 7093975, 14187950, 28375900]

約数ペア:

[(1, 28375900), (2, 14187950), (4, 7093975), (5, 5675180), (7, 4053700), (10, 2837590), (14, 2026850), (20, 1418795), (25, 1135036), (28, 1013425), (35, 810740), (49, 579100), (50, 567518), (70, 405370), (98, 289550), (100, 283759), (140, 202685), (175, 162148), (196, 144775), (245, 115820), (350, 81074), (490, 57910), (700, 40537), (980, 28955), (1225, 23164), (2450, 11582), (4900, 5791)]