29749820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{991}}^1$

素因数の和:1098

約数の個数: 48

約数和(自身を含む): 66662400

約数和(自身を除く): 36912580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 79, 95, 158, 190, 316, 380, 395, 790, 991, 1501, 1580, 1982, 3002, 3964, 4955, 6004, 7505, 9910, 15010, 18829, 19820, 30020, 37658, 75316, 78289, 94145, 156578, 188290, 313156, 376580, 391445, 782890, 1487491, 1565780, 2974982, 5949964, 7437455, 14874910, 29749820]

約数ペア:

[(1, 29749820), (2, 14874910), (4, 7437455), (5, 5949964), (10, 2974982), (19, 1565780), (20, 1487491), (38, 782890), (76, 391445), (79, 376580), (95, 313156), (158, 188290), (190, 156578), (316, 94145), (380, 78289), (395, 75316), (790, 37658), (991, 30020), (1501, 19820), (1580, 18829), (1982, 15010), (3002, 9910), (3964, 7505), (4955, 6004)]