7643860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{769}}^1$

素因数の和:856

約数の個数: 48

約数和(自身を含む): 18627840

約数和(自身を除く): 10983980

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 769, 994, 1420, 1538, 1988, 2485, 3076, 3845, 4970, 5383, 7690, 9940, 10766, 15380, 21532, 26915, 53830, 54599, 107660, 109198, 218396, 272995, 382193, 545990, 764386, 1091980, 1528772, 1910965, 3821930, 7643860]

約数ペア:

[(1, 7643860), (2, 3821930), (4, 1910965), (5, 1528772), (7, 1091980), (10, 764386), (14, 545990), (20, 382193), (28, 272995), (35, 218396), (70, 109198), (71, 107660), (140, 54599), (142, 53830), (284, 26915), (355, 21532), (497, 15380), (710, 10766), (769, 9940), (994, 7690), (1420, 5383), (1538, 4970), (1988, 3845), (2485, 3076)]