339935440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{311}}^1\times {\mathrm{1051}}^1$

素因数の和:1388

約数の個数: 80

約数和(自身を含む): 854695296

約数和(自身を除く): 514759856

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 311, 520, 622, 1040, 1051, 1244, 1555, 2102, 2488, 3110, 4043, 4204, 4976, 5255, 6220, 8086, 8408, 10510, 12440, 13663, 16172, 16816, 20215, 21020, 24880, 27326, 32344, 40430, 42040, 54652, 64688, 68315, 80860, 84080, 109304, 136630, 161720, 218608, 273260, 323440, 326861, 546520, 653722, 1093040, 1307444, 1634305, 2614888, 3268610, 4249193, 5229776, 6537220, 8498386, 13074440, 16996772, 21245965, 26148880, 33993544, 42491930, 67987088, 84983860, 169967720, 339935440]

約数ペア:

[(1, 339935440), (2, 169967720), (4, 84983860), (5, 67987088), (8, 42491930), (10, 33993544), (13, 26148880), (16, 21245965), (20, 16996772), (26, 13074440), (40, 8498386), (52, 6537220), (65, 5229776), (80, 4249193), (104, 3268610), (130, 2614888), (208, 1634305), (260, 1307444), (311, 1093040), (520, 653722), (622, 546520), (1040, 326861), (1051, 323440), (1244, 273260), (1555, 218608), (2102, 161720), (2488, 136630), (3110, 109304), (4043, 84080), (4204, 80860), (4976, 68315), (5255, 64688), (6220, 54652), (8086, 42040), (8408, 40430), (10510, 32344), (12440, 27326), (13663, 24880), (16172, 21020), (16816, 20215)]