28144620

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{3191}}^1$

素因数の和:3220

約数の個数: 108

約数和(自身を含む): 99341424

約数和(自身を除く): 71196804

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 245, 252, 294, 315, 420, 441, 490, 588, 630, 735, 882, 980, 1260, 1470, 1764, 2205, 2940, 3191, 4410, 6382, 8820, 9573, 12764, 15955, 19146, 22337, 28719, 31910, 38292, 44674, 47865, 57438, 63820, 67011, 89348, 95730, 111685, 114876, 134022, 143595, 156359, 191460, 201033, 223370, 268044, 287190, 312718, 335055, 402066, 446740, 469077, 574380, 625436, 670110, 781795, 804132, 938154, 1005165, 1340220, 1407231, 1563590, 1876308, 2010330, 2345385, 2814462, 3127180, 4020660, 4690770, 5628924, 7036155, 9381540, 14072310, 28144620]

約数ペア:

[(1, 28144620), (2, 14072310), (3, 9381540), (4, 7036155), (5, 5628924), (6, 4690770), (7, 4020660), (9, 3127180), (10, 2814462), (12, 2345385), (14, 2010330), (15, 1876308), (18, 1563590), (20, 1407231), (21, 1340220), (28, 1005165), (30, 938154), (35, 804132), (36, 781795), (42, 670110), (45, 625436), (49, 574380), (60, 469077), (63, 446740), (70, 402066), (84, 335055), (90, 312718), (98, 287190), (105, 268044), (126, 223370), (140, 201033), (147, 191460), (180, 156359), (196, 143595), (210, 134022), (245, 114876), (252, 111685), (294, 95730), (315, 89348), (420, 67011), (441, 63820), (490, 57438), (588, 47865), (630, 44674), (735, 38292), (882, 31910), (980, 28719), (1260, 22337), (1470, 19146), (1764, 15955), (2205, 12764), (2940, 9573), (3191, 8820), (4410, 6382)]