49765240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{1997}}^1$

素因数の和:2104

約数の個数: 64

約数和(自身を含む): 129470400

約数和(自身を除く): 79705160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 89, 140, 178, 280, 356, 445, 623, 712, 890, 1246, 1780, 1997, 2492, 3115, 3560, 3994, 4984, 6230, 7988, 9985, 12460, 13979, 15976, 19970, 24920, 27958, 39940, 55916, 69895, 79880, 111832, 139790, 177733, 279580, 355466, 559160, 710932, 888665, 1244131, 1421864, 1777330, 2488262, 3554660, 4976524, 6220655, 7109320, 9953048, 12441310, 24882620, 49765240]

約数ペア:

[(1, 49765240), (2, 24882620), (4, 12441310), (5, 9953048), (7, 7109320), (8, 6220655), (10, 4976524), (14, 3554660), (20, 2488262), (28, 1777330), (35, 1421864), (40, 1244131), (56, 888665), (70, 710932), (89, 559160), (140, 355466), (178, 279580), (280, 177733), (356, 139790), (445, 111832), (623, 79880), (712, 69895), (890, 55916), (1246, 39940), (1780, 27958), (1997, 24920), (2492, 19970), (3115, 15976), (3560, 13979), (3994, 12460), (4984, 9985), (6230, 7988)]