278325320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{76463}}^1$

素因数の和:76494

約数の個数: 64

約数和(自身を含む): 770757120

約数和(自身を除く): 492431800

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 76463, 152926, 305852, 382315, 535241, 611704, 764630, 994019, 1070482, 1529260, 1988038, 2140964, 2676205, 3058520, 3976076, 4281928, 4970095, 5352410, 6958133, 7952152, 9940190, 10704820, 13916266, 19880380, 21409640, 27832532, 34790665, 39760760, 55665064, 69581330, 139162660, 278325320]

約数ペア:

[(1, 278325320), (2, 139162660), (4, 69581330), (5, 55665064), (7, 39760760), (8, 34790665), (10, 27832532), (13, 21409640), (14, 19880380), (20, 13916266), (26, 10704820), (28, 9940190), (35, 7952152), (40, 6958133), (52, 5352410), (56, 4970095), (65, 4281928), (70, 3976076), (91, 3058520), (104, 2676205), (130, 2140964), (140, 1988038), (182, 1529260), (260, 1070482), (280, 994019), (364, 764630), (455, 611704), (520, 535241), (728, 382315), (910, 305852), (1820, 152926), (3640, 76463)]