11278780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{443}}^1$

素因数の和:538

約数の個数: 48

約数和(自身を含む): 25361280

約数和(自身を除く): 14082500

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 67, 76, 95, 134, 190, 268, 335, 380, 443, 670, 886, 1273, 1340, 1772, 2215, 2546, 4430, 5092, 6365, 8417, 8860, 12730, 16834, 25460, 29681, 33668, 42085, 59362, 84170, 118724, 148405, 168340, 296810, 563939, 593620, 1127878, 2255756, 2819695, 5639390, 11278780]

約数ペア:

[(1, 11278780), (2, 5639390), (4, 2819695), (5, 2255756), (10, 1127878), (19, 593620), (20, 563939), (38, 296810), (67, 168340), (76, 148405), (95, 118724), (134, 84170), (190, 59362), (268, 42085), (335, 33668), (380, 29681), (443, 25460), (670, 16834), (886, 12730), (1273, 8860), (1340, 8417), (1772, 6365), (2215, 5092), (2546, 4430)]