29912080

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1789}}^1$

素因数の和:1832

約数の個数: 80

約数和(自身を含む): 79905600

約数和(自身を除く): 49993520

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 38, 40, 44, 55, 76, 80, 88, 95, 110, 152, 176, 190, 209, 220, 304, 380, 418, 440, 760, 836, 880, 1045, 1520, 1672, 1789, 2090, 3344, 3578, 4180, 7156, 8360, 8945, 14312, 16720, 17890, 19679, 28624, 33991, 35780, 39358, 67982, 71560, 78716, 98395, 135964, 143120, 157432, 169955, 196790, 271928, 314864, 339910, 373901, 393580, 543856, 679820, 747802, 787160, 1359640, 1495604, 1574320, 1869505, 2719280, 2991208, 3739010, 5982416, 7478020, 14956040, 29912080]

約数ペア:

[(1, 29912080), (2, 14956040), (4, 7478020), (5, 5982416), (8, 3739010), (10, 2991208), (11, 2719280), (16, 1869505), (19, 1574320), (20, 1495604), (22, 1359640), (38, 787160), (40, 747802), (44, 679820), (55, 543856), (76, 393580), (80, 373901), (88, 339910), (95, 314864), (110, 271928), (152, 196790), (176, 169955), (190, 157432), (209, 143120), (220, 135964), (304, 98395), (380, 78716), (418, 71560), (440, 67982), (760, 39358), (836, 35780), (880, 33991), (1045, 28624), (1520, 19679), (1672, 17890), (1789, 16720), (2090, 14312), (3344, 8945), (3578, 8360), (4180, 7156)]