31435880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{311}}^1$

素因数の和:367

約数の個数: 96

約数和(自身を含む): 85587840

約数和(自身を除く): 54151960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 133, 140, 152, 190, 266, 280, 311, 361, 380, 532, 622, 665, 722, 760, 1064, 1244, 1330, 1444, 1555, 1805, 2177, 2488, 2527, 2660, 2888, 3110, 3610, 4354, 5054, 5320, 5909, 6220, 7220, 8708, 10108, 10885, 11818, 12440, 12635, 14440, 17416, 20216, 21770, 23636, 25270, 29545, 41363, 43540, 47272, 50540, 59090, 82726, 87080, 101080, 112271, 118180, 165452, 206815, 224542, 236360, 330904, 413630, 449084, 561355, 785897, 827260, 898168, 1122710, 1571794, 1654520, 2245420, 3143588, 3929485, 4490840, 6287176, 7858970, 15717940, 31435880]

約数ペア:

[(1, 31435880), (2, 15717940), (4, 7858970), (5, 6287176), (7, 4490840), (8, 3929485), (10, 3143588), (14, 2245420), (19, 1654520), (20, 1571794), (28, 1122710), (35, 898168), (38, 827260), (40, 785897), (56, 561355), (70, 449084), (76, 413630), (95, 330904), (133, 236360), (140, 224542), (152, 206815), (190, 165452), (266, 118180), (280, 112271), (311, 101080), (361, 87080), (380, 82726), (532, 59090), (622, 50540), (665, 47272), (722, 43540), (760, 41363), (1064, 29545), (1244, 25270), (1330, 23636), (1444, 21770), (1555, 20216), (1805, 17416), (2177, 14440), (2488, 12635), (2527, 12440), (2660, 11818), (2888, 10885), (3110, 10108), (3610, 8708), (4354, 7220), (5054, 6220), (5320, 5909)]