339291280

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{136811}}^1$

素因数の和:136855

約数の個数: 40

約数和(自身を含む): 814305024

約数和(自身を除く): 475013744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 136811, 273622, 547244, 684055, 1094488, 1368110, 2188976, 2736220, 4241141, 5472440, 8482282, 10944880, 16964564, 21205705, 33929128, 42411410, 67858256, 84822820, 169645640, 339291280]

約数ペア:

[(1, 339291280), (2, 169645640), (4, 84822820), (5, 67858256), (8, 42411410), (10, 33929128), (16, 21205705), (20, 16964564), (31, 10944880), (40, 8482282), (62, 5472440), (80, 4241141), (124, 2736220), (155, 2188976), (248, 1368110), (310, 1094488), (496, 684055), (620, 547244), (1240, 273622), (2480, 136811)]