30949625

素因数分解:

$5^3\times 7^2\times {\mathrm{31}}^1\times {\mathrm{163}}^1$

素因数の和:223

約数の個数: 48

約数和(自身を含む): 46665216

約数和(自身を除く): 15715591

約数列:

[1, 5, 7, 25, 31, 35, 49, 125, 155, 163, 175, 217, 245, 775, 815, 875, 1085, 1141, 1225, 1519, 3875, 4075, 5053, 5425, 5705, 6125, 7595, 7987, 20375, 25265, 27125, 28525, 35371, 37975, 39935, 126325, 142625, 176855, 189875, 199675, 247597, 631625, 884275, 998375, 1237985, 4421375, 6189925, 30949625]

約数ペア:

[(1, 30949625), (5, 6189925), (7, 4421375), (25, 1237985), (31, 998375), (35, 884275), (49, 631625), (125, 247597), (155, 199675), (163, 189875), (175, 176855), (217, 142625), (245, 126325), (775, 39935), (815, 37975), (875, 35371), (1085, 28525), (1141, 27125), (1225, 25265), (1519, 20375), (3875, 7987), (4075, 7595), (5053, 6125), (5425, 5705)]