64521380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41897}}^1$

素因数の和:41924

約数の個数: 48

約数和(自身を含む): 168932736

約数和(自身を除く): 104411356

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 41897, 83794, 167588, 209485, 293279, 418970, 460867, 586558, 837940, 921734, 1173116, 1466395, 1843468, 2304335, 2932790, 3226069, 4608670, 5865580, 6452138, 9217340, 12904276, 16130345, 32260690, 64521380]

約数ペア:

[(1, 64521380), (2, 32260690), (4, 16130345), (5, 12904276), (7, 9217340), (10, 6452138), (11, 5865580), (14, 4608670), (20, 3226069), (22, 2932790), (28, 2304335), (35, 1843468), (44, 1466395), (55, 1173116), (70, 921734), (77, 837940), (110, 586558), (140, 460867), (154, 418970), (220, 293279), (308, 209485), (385, 167588), (770, 83794), (1540, 41897)]