390944256

素因数分解:

$2^9\times 3^1\times {\mathrm{199}}^1\times {\mathrm{1279}}^1$

素因数の和:1499

約数の個数: 80

約数和(自身を含む): 1047552000

約数和(自身を除く): 656607744

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 199, 256, 384, 398, 512, 597, 768, 796, 1194, 1279, 1536, 1592, 2388, 2558, 3184, 3837, 4776, 5116, 6368, 7674, 9552, 10232, 12736, 15348, 19104, 20464, 25472, 30696, 38208, 40928, 50944, 61392, 76416, 81856, 101888, 122784, 152832, 163712, 245568, 254521, 305664, 327424, 491136, 509042, 654848, 763563, 982272, 1018084, 1527126, 1964544, 2036168, 3054252, 4072336, 6108504, 8144672, 12217008, 16289344, 24434016, 32578688, 48868032, 65157376, 97736064, 130314752, 195472128, 390944256]

約数ペア:

[(1, 390944256), (2, 195472128), (3, 130314752), (4, 97736064), (6, 65157376), (8, 48868032), (12, 32578688), (16, 24434016), (24, 16289344), (32, 12217008), (48, 8144672), (64, 6108504), (96, 4072336), (128, 3054252), (192, 2036168), (199, 1964544), (256, 1527126), (384, 1018084), (398, 982272), (512, 763563), (597, 654848), (768, 509042), (796, 491136), (1194, 327424), (1279, 305664), (1536, 254521), (1592, 245568), (2388, 163712), (2558, 152832), (3184, 122784), (3837, 101888), (4776, 81856), (5116, 76416), (6368, 61392), (7674, 50944), (9552, 40928), (10232, 38208), (12736, 30696), (15348, 25472), (19104, 20464)]