354366940

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{283}}^1\times {\mathrm{457}}^1$

素因数の和:886

約数の個数: 48

約数和(自身を含む): 753897312

約数和(自身を除く): 399530372

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 283, 457, 548, 566, 685, 914, 1132, 1370, 1415, 1828, 2285, 2740, 2830, 4570, 5660, 9140, 38771, 62609, 77542, 125218, 129331, 155084, 193855, 250436, 258662, 313045, 387710, 517324, 626090, 646655, 775420, 1252180, 1293310, 2586620, 17718347, 35436694, 70873388, 88591735, 177183470, 354366940]

約数ペア:

[(1, 354366940), (2, 177183470), (4, 88591735), (5, 70873388), (10, 35436694), (20, 17718347), (137, 2586620), (274, 1293310), (283, 1252180), (457, 775420), (548, 646655), (566, 626090), (685, 517324), (914, 387710), (1132, 313045), (1370, 258662), (1415, 250436), (1828, 193855), (2285, 155084), (2740, 129331), (2830, 125218), (4570, 77542), (5660, 62609), (9140, 38771)]