4909240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{197}}^1$

素因数の和:304

約数の個数: 64

約数和(自身を含む): 12830400

約数和(自身を除く): 7921160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 89, 140, 178, 197, 280, 356, 394, 445, 623, 712, 788, 890, 985, 1246, 1379, 1576, 1780, 1970, 2492, 2758, 3115, 3560, 3940, 4984, 5516, 6230, 6895, 7880, 11032, 12460, 13790, 17533, 24920, 27580, 35066, 55160, 70132, 87665, 122731, 140264, 175330, 245462, 350660, 490924, 613655, 701320, 981848, 1227310, 2454620, 4909240]

約数ペア:

[(1, 4909240), (2, 2454620), (4, 1227310), (5, 981848), (7, 701320), (8, 613655), (10, 490924), (14, 350660), (20, 245462), (28, 175330), (35, 140264), (40, 122731), (56, 87665), (70, 70132), (89, 55160), (140, 35066), (178, 27580), (197, 24920), (280, 17533), (356, 13790), (394, 12460), (445, 11032), (623, 7880), (712, 6895), (788, 6230), (890, 5516), (985, 4984), (1246, 3940), (1379, 3560), (1576, 3115), (1780, 2758), (1970, 2492)]