312442955

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:236

約数の個数: 64

約数和(自身を含む): 447897600

約数和(自身を除く): 135454645

約数列:

[1, 5, 11, 29, 31, 55, 71, 89, 145, 155, 319, 341, 355, 445, 781, 899, 979, 1595, 1705, 2059, 2201, 2581, 2759, 3905, 4495, 4895, 6319, 9889, 10295, 11005, 12905, 13795, 22649, 24211, 28391, 30349, 31595, 49445, 63829, 69509, 80011, 113245, 121055, 141955, 151745, 183251, 195889, 319145, 347545, 400055, 702119, 880121, 916255, 979445, 2015761, 2154779, 3510595, 4400605, 5680781, 10078805, 10773895, 28403905, 62488591, 312442955]

約数ペア:

[(1, 312442955), (5, 62488591), (11, 28403905), (29, 10773895), (31, 10078805), (55, 5680781), (71, 4400605), (89, 3510595), (145, 2154779), (155, 2015761), (319, 979445), (341, 916255), (355, 880121), (445, 702119), (781, 400055), (899, 347545), (979, 319145), (1595, 195889), (1705, 183251), (2059, 151745), (2201, 141955), (2581, 121055), (2759, 113245), (3905, 80011), (4495, 69509), (4895, 63829), (6319, 49445), (9889, 31595), (10295, 30349), (11005, 28391), (12905, 24211), (13795, 22649)]