321135230

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{149}}^1\times {\mathrm{281}}^1$

素因数の和:509

約数の個数: 64

約数和(自身を含む): 639576000

約数和(自身を除く): 318440770

約数列:

[1, 2, 5, 10, 13, 26, 59, 65, 118, 130, 149, 281, 295, 298, 562, 590, 745, 767, 1405, 1490, 1534, 1937, 2810, 3653, 3835, 3874, 7306, 7670, 8791, 9685, 16579, 17582, 18265, 19370, 33158, 36530, 41869, 43955, 82895, 83738, 87910, 114283, 165790, 209345, 215527, 228566, 418690, 431054, 544297, 571415, 1077635, 1088594, 1142830, 2155270, 2470271, 2721485, 4940542, 5442970, 12351355, 24702710, 32113523, 64227046, 160567615, 321135230]

約数ペア:

[(1, 321135230), (2, 160567615), (5, 64227046), (10, 32113523), (13, 24702710), (26, 12351355), (59, 5442970), (65, 4940542), (118, 2721485), (130, 2470271), (149, 2155270), (281, 1142830), (295, 1088594), (298, 1077635), (562, 571415), (590, 544297), (745, 431054), (767, 418690), (1405, 228566), (1490, 215527), (1534, 209345), (1937, 165790), (2810, 114283), (3653, 87910), (3835, 83738), (3874, 82895), (7306, 43955), (7670, 41869), (8791, 36530), (9685, 33158), (16579, 19370), (17582, 18265)]