30804235

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:172

約数の個数: 64

約数和(自身を含む): 49766400

約数和(自身を除く): 18962165

約数列:

[1, 5, 7, 11, 29, 31, 35, 55, 77, 89, 145, 155, 203, 217, 319, 341, 385, 445, 623, 899, 979, 1015, 1085, 1595, 1705, 2233, 2387, 2581, 2759, 3115, 4495, 4895, 6293, 6853, 9889, 11165, 11935, 12905, 13795, 18067, 19313, 28391, 30349, 31465, 34265, 49445, 69223, 80011, 90335, 96565, 141955, 151745, 198737, 212443, 346115, 400055, 560077, 880121, 993685, 1062215, 2800385, 4400605, 6160847, 30804235]

約数ペア:

[(1, 30804235), (5, 6160847), (7, 4400605), (11, 2800385), (29, 1062215), (31, 993685), (35, 880121), (55, 560077), (77, 400055), (89, 346115), (145, 212443), (155, 198737), (203, 151745), (217, 141955), (319, 96565), (341, 90335), (385, 80011), (445, 69223), (623, 49445), (899, 34265), (979, 31465), (1015, 30349), (1085, 28391), (1595, 19313), (1705, 18067), (2233, 13795), (2387, 12905), (2581, 11935), (2759, 11165), (3115, 9889), (4495, 6853), (4895, 6293)]