239746640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{2029}}^1$

素因数の和:2260

約数の個数: 80

約数和(自身を含む): 640375680

約数和(自身を除く): 400629040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 211, 280, 422, 560, 844, 1055, 1477, 1688, 2029, 2110, 2954, 3376, 4058, 4220, 5908, 7385, 8116, 8440, 10145, 11816, 14203, 14770, 16232, 16880, 20290, 23632, 28406, 29540, 32464, 40580, 56812, 59080, 71015, 81160, 113624, 118160, 142030, 162320, 227248, 284060, 428119, 568120, 856238, 1136240, 1712476, 2140595, 2996833, 3424952, 4281190, 5993666, 6849904, 8562380, 11987332, 14984165, 17124760, 23974664, 29968330, 34249520, 47949328, 59936660, 119873320, 239746640]

約数ペア:

[(1, 239746640), (2, 119873320), (4, 59936660), (5, 47949328), (7, 34249520), (8, 29968330), (10, 23974664), (14, 17124760), (16, 14984165), (20, 11987332), (28, 8562380), (35, 6849904), (40, 5993666), (56, 4281190), (70, 3424952), (80, 2996833), (112, 2140595), (140, 1712476), (211, 1136240), (280, 856238), (422, 568120), (560, 428119), (844, 284060), (1055, 227248), (1477, 162320), (1688, 142030), (2029, 118160), (2110, 113624), (2954, 81160), (3376, 71015), (4058, 59080), (4220, 56812), (5908, 40580), (7385, 32464), (8116, 29540), (8440, 28406), (10145, 23632), (11816, 20290), (14203, 16880), (14770, 16232)]