28014700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1291}}^1$

素因数の和:1343

約数の個数: 72

約数和(自身を含む): 71773184

約数和(自身を除く): 43758484

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 31, 35, 50, 62, 70, 100, 124, 140, 155, 175, 217, 310, 350, 434, 620, 700, 775, 868, 1085, 1291, 1550, 2170, 2582, 3100, 4340, 5164, 5425, 6455, 9037, 10850, 12910, 18074, 21700, 25820, 32275, 36148, 40021, 45185, 64550, 80042, 90370, 129100, 160084, 180740, 200105, 225925, 280147, 400210, 451850, 560294, 800420, 903700, 1000525, 1120588, 1400735, 2001050, 2801470, 4002100, 5602940, 7003675, 14007350, 28014700]

約数ペア:

[(1, 28014700), (2, 14007350), (4, 7003675), (5, 5602940), (7, 4002100), (10, 2801470), (14, 2001050), (20, 1400735), (25, 1120588), (28, 1000525), (31, 903700), (35, 800420), (50, 560294), (62, 451850), (70, 400210), (100, 280147), (124, 225925), (140, 200105), (155, 180740), (175, 160084), (217, 129100), (310, 90370), (350, 80042), (434, 64550), (620, 45185), (700, 40021), (775, 36148), (868, 32275), (1085, 25820), (1291, 21700), (1550, 18074), (2170, 12910), (2582, 10850), (3100, 9037), (4340, 6455), (5164, 5425)]