208968880

素因数分解:

$2^4\times 5^1\times {\mathrm{727}}^1\times {\mathrm{3593}}^1$

素因数の和:4333

約数の個数: 40

約数和(自身を含む): 486656352

約数和(自身を除く): 277687472

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 727, 1454, 2908, 3593, 3635, 5816, 7186, 7270, 11632, 14372, 14540, 17965, 28744, 29080, 35930, 57488, 58160, 71860, 143720, 287440, 2612111, 5224222, 10448444, 13060555, 20896888, 26121110, 41793776, 52242220, 104484440, 208968880]

約数ペア:

[(1, 208968880), (2, 104484440), (4, 52242220), (5, 41793776), (8, 26121110), (10, 20896888), (16, 13060555), (20, 10448444), (40, 5224222), (80, 2612111), (727, 287440), (1454, 143720), (2908, 71860), (3593, 58160), (3635, 57488), (5816, 35930), (7186, 29080), (7270, 28744), (11632, 17965), (14372, 14540)]