42418040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{769}}^1$

素因数の和:984

約数の個数: 64

約数和(自身を含む): 109771200

約数和(自身を除く): 67353160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 197, 280, 394, 769, 788, 985, 1379, 1538, 1576, 1970, 2758, 3076, 3845, 3940, 5383, 5516, 6152, 6895, 7690, 7880, 10766, 11032, 13790, 15380, 21532, 26915, 27580, 30760, 43064, 53830, 55160, 107660, 151493, 215320, 302986, 605972, 757465, 1060451, 1211944, 1514930, 2120902, 3029860, 4241804, 5302255, 6059720, 8483608, 10604510, 21209020, 42418040]

約数ペア:

[(1, 42418040), (2, 21209020), (4, 10604510), (5, 8483608), (7, 6059720), (8, 5302255), (10, 4241804), (14, 3029860), (20, 2120902), (28, 1514930), (35, 1211944), (40, 1060451), (56, 757465), (70, 605972), (140, 302986), (197, 215320), (280, 151493), (394, 107660), (769, 55160), (788, 53830), (985, 43064), (1379, 30760), (1538, 27580), (1576, 26915), (1970, 21532), (2758, 15380), (3076, 13790), (3845, 11032), (3940, 10766), (5383, 7880), (5516, 7690), (6152, 6895)]