9969861880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{254593}}^1$

素因数の和:254704

約数の個数: 64

約数和(自身を含む): 24746536800

約数和(自身を除く): 14776674920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 89, 110, 178, 220, 356, 440, 445, 712, 890, 979, 1780, 1958, 3560, 3916, 4895, 7832, 9790, 19580, 39160, 254593, 509186, 1018372, 1272965, 2036744, 2545930, 2800523, 5091860, 5601046, 10183720, 11202092, 14002615, 22404184, 22658777, 28005230, 45317554, 56010460, 90635108, 112020920, 113293885, 181270216, 226587770, 249246547, 453175540, 498493094, 906351080, 996986188, 1246232735, 1993972376, 2492465470, 4984930940, 9969861880]

約数ペア:

[(1, 9969861880), (2, 4984930940), (4, 2492465470), (5, 1993972376), (8, 1246232735), (10, 996986188), (11, 906351080), (20, 498493094), (22, 453175540), (40, 249246547), (44, 226587770), (55, 181270216), (88, 113293885), (89, 112020920), (110, 90635108), (178, 56010460), (220, 45317554), (356, 28005230), (440, 22658777), (445, 22404184), (712, 14002615), (890, 11202092), (979, 10183720), (1780, 5601046), (1958, 5091860), (3560, 2800523), (3916, 2545930), (4895, 2036744), (7832, 1272965), (9790, 1018372), (19580, 509186), (39160, 254593)]