1780497940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{701}}^1\times {\mathrm{9769}}^1$

素因数の和:10492

約数の個数: 48

約数和(自身を含む): 4032821520

約数和(自身を除く): 2252323580

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 701, 1402, 2804, 3505, 7010, 9113, 9769, 14020, 18226, 19538, 36452, 39076, 45565, 48845, 91130, 97690, 126997, 182260, 195380, 253994, 507988, 634985, 1269970, 2539940, 6848069, 13696138, 27392276, 34240345, 68480690, 89024897, 136961380, 178049794, 356099588, 445124485, 890248970, 1780497940]

約数ペア:

[(1, 1780497940), (2, 890248970), (4, 445124485), (5, 356099588), (10, 178049794), (13, 136961380), (20, 89024897), (26, 68480690), (52, 34240345), (65, 27392276), (130, 13696138), (260, 6848069), (701, 2539940), (1402, 1269970), (2804, 634985), (3505, 507988), (7010, 253994), (9113, 195380), (9769, 182260), (14020, 126997), (18226, 97690), (19538, 91130), (36452, 48845), (39076, 45565)]