320342912

素因数分解:

$2^7\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{349}}^1$

素因数の和:535

約数の個数: 64

約数和(自身を含む): 655452000

約数和(自身を除く): 335109088

約数列:

[1, 2, 4, 8, 16, 32, 64, 71, 101, 128, 142, 202, 284, 349, 404, 568, 698, 808, 1136, 1396, 1616, 2272, 2792, 3232, 4544, 5584, 6464, 7171, 9088, 11168, 12928, 14342, 22336, 24779, 28684, 35249, 44672, 49558, 57368, 70498, 99116, 114736, 140996, 198232, 229472, 281992, 396464, 458944, 563984, 792928, 917888, 1127968, 1585856, 2255936, 2502679, 3171712, 4511872, 5005358, 10010716, 20021432, 40042864, 80085728, 160171456, 320342912]

約数ペア:

[(1, 320342912), (2, 160171456), (4, 80085728), (8, 40042864), (16, 20021432), (32, 10010716), (64, 5005358), (71, 4511872), (101, 3171712), (128, 2502679), (142, 2255936), (202, 1585856), (284, 1127968), (349, 917888), (404, 792928), (568, 563984), (698, 458944), (808, 396464), (1136, 281992), (1396, 229472), (1616, 198232), (2272, 140996), (2792, 114736), (3232, 99116), (4544, 70498), (5584, 57368), (6464, 49558), (7171, 44672), (9088, 35249), (11168, 28684), (12928, 24779), (14342, 22336)]